To all who shared your images with us … thank you.

That might seem like a lot, but new results suggest Mars gets pummeled by space rocks less frequently than previously thought.

Best photos from EarthSky friends around the world of the partial lunar eclipse of April 25, 2013.

Comet ISON could be spectacular sight in fall 2013. Look here for a month-by-month viewing guide.

The ice cloud above Titan’s south pole can be seen only at infrared wavelengths. It means autumn is here, and winter is coming, for Titan’s southern hemisphere.

A meteorite designated Northwest Africa 7325 has a highly unusual chemistry similar to that measured by NASA’s Mercury Messenger probe.

If you haven’t caught Comet PANSTARRS yet, try in early April 2013! PANSTARRS photos and viewing guide here.

Whether you’ve managed to glimpse the comet or not, you’ll love this video showing PANSTARRS as seen from space. Bright dot on the right is Earth!

A rundown of space objects visible under the right conditions to the unaided human eye during the day.

Image of Mona Lisa becomes first-ever laser communication at planetary distance.

The extra large size of a moon seen low in the sky is an illusion, a trick your brain is playing.

The best time to see Saturn for 2013 is coming. Learn to identify it this week. Song of the week is Devon Sproule’s “The Unmarked Animals.”

The asteroid appeared from Earth to be moving quickly in front of the stars as it passed safely within the moon’s distance from Earth on Friday, February 15.

Lots going on this week. Asteroid flyby. Meteor explodes over Russia. Jupiter and moon. Song of the week is Phosphorescent’s “Song for Zula.” Your 22 minutes of science and music here.

Objects within 0.3 AU of the Earth – or within about a third of Earth’s distance fromt the sun – in mid-February 2013. From Armagh Observatory.

You can see the asteroid flyby, if you have a computer and can watch online. Otherwise … you must be in the right place on Earth. And, still, it’ll be tough.

Scientists are making plans to send the spacecraft on a route farther from Pluto, if needed, to avoid running the craft through “a dangerous gauntlet of debris.”

The best moon and Jupiter photos from late last year, plus the wonderful sight of these two brilliant worlds on January 21, 2013. Wow!

Song of the week is Monahan’s “Diamonds.” ES weather blogger Matt Daniel interviews head of National Hurricane Center. Your 22 minutes of science and music!

Members of Cassini spacecraft radar team have made the first quantitative estimate of how much the weather on Titan has modified its surface.

Earth at perihelion and the Quadrantid meteors. Song of the week: Twin Cabins’ “Swing Lynn.” Your 22 minutes of science and music!

Your 22 minutes of science and music from EarthSky’s hometown of Austin, Texas. Enjoy!

An asteroid you might not have known to worry about has been given the all-clear.

The two GRAIL spacecraft hit the lunar surface at planned at 4:28 CST (2228 UTC) and 4:29 CST, at a speed of 3,760 mph (1.7 kilometers per second).

Doomsday? …. Nah! December solstice … Yes! Plus great music from The Shins and more. Press play!

Titan’s Nile is no dry riverbed. It appears to be filled with liquid, presumably ethane mixed with methane.

Astronomers discovered the asteroid yesterday. It might enter Earth’s shadow in the next few hours and pass slightly more than half the moon’s distance a few hours after that.

The video was created with data from from the Clementine moon mission of 1990s, plus measurements from the Lunar Reconnaissance Orbiter, orbiting now.

Who would have imagined we’d be able to watch the seasons change in the atmosphere of Saturn’s large moon Titan? The Cassini spacecraft makes it possible.

Jupiter opposition, a false image of planets and the pyramids on December 3 2012, and a great song by The Eastern Sea. Science and music from Austin, TX. Enjoy!

Sometimes the planets appear to change direction in the sky. This retrograde motion is entirely an illusion caused by the Earth passing the slower moving outer planets.

Mars is a beaten and battered planet, according to a research team that recently finished counting and cataloging a staggering 635,000 Martian impact craters.

The ecliptic marks the path of the sun.  It’s the projection of Earth’s orbit onto the sky. And it’s an essential part of any stargazer’s vocabulary.

Time to look is between 12:30 a.m. and 3 a.m. EST on November 20. That’s 5:30 to 8 UTC on November 20. Link for watching online in this post.

Need a web cam for the November 13-14, 2012 total solar eclipse? Check out these links to online viewing.

On both sides of Superstorm Sandy last week, many saw moon halos. Song of the week is The Boxing Lesson’s “Better Daze.” Check out their new video. Science and music here.

The Zodiac is defined by 12 constellations that lie along the annual path of the sun across the sky.

Hunter’s Moon gallery photos from all around the world posted by EarthSky’s Facebook friends.

Tonight’s Hunter’s moon, and a star to look for on Halloween … and listen to Danny Malone’s new song “Spiderlegs.” Science and music … together at last!

Here’s a collection of 10 unexpected, intriguing facts about the stars of our universe – including our sun – you probably didn’t know!

Researchers suggest the bright lights of cities, which are visible on a planet even from space, might reveal the existence of alien life on other planets.

Yay, several of you did take our challenge and spot the October 14, 2012 very old moon! Thank you, Peter Rodney Breaux, Lakshmi Ravishankar and Julie Gartman!

You will have to be outdoors very early in the morning – within an hour of sunup. You’ll need a clear sky in the east, with no trees or tall buildings in the way.

Shortly after posting my last blog, I was abducted by aliens who flew me to Thermoman’s home planet of Ultron where I was taught secrets of the universe.

On September 27, 2012, Spanish engineers presenting to the European Planetary Science Congress in Madrid proposed to send a boat to Titan.

Deborah and Jorge talk about how to see Jupiter. Song of the week is My Jerusalem’s “Preachers.” Your 22 minutes of science and music!

EarthSky friends from around the world shared their pictures of the Harvest Moon.

Nibiru, sometimes called Planet X, is not going to collide with our planet this year – or ever – because it doesn’t exist.

Harvest Moon is closest full moon to September equinox. Plus the best in science news and great new music from Austin, Texas!

The Mars rover Spirit captured this image on March 8, 2004. It was the first image of our world taken from another planet beyond our Earth-moon system.

Planet Nibiru … the myth, the hype, and the truth. Plus science news and great music!

Jorge Salazar talks with lead scientist Ed Stone about the amazing Voyager spacecraft. Song of the week by the Sour Notes.

“We’ve got the black holes cornered,” said the lead scientist Daniel Stern. “WISE is finding them across the full sky … “

Daytime moon. Plus song of the week from the Marmalakes’ Septimus Warren Smith. Catch them out on tour now!

People all around the world marveled at August’s second full moon, or Blue Moon.

Music and science – the perfect combo. Listen to this weeks science stories and great new music from EarthSky’s hometown, Austin, TX.

Illustration of how moon moved in contrast to triangle of objects in west after sunset – Mars, Saturn and star Spica – on August 21, 2012 as seen from around the world.

Here’s a collection of 10 unexpected and intriguing facts about our solar system – our sun and its family of planets – you probably did not know!

The best time to see meteors and the planets Venus and Jupiter this week. Plus more science news, and – of course – music!

Saturn’s moon Titan – with its impenetrable methane atmosphere – is the only place in the solar system, other than Earth, with large bodies of liquid on its surface.

Your 22 minutes of science news from around the world, and new music from Austin, Texas.

There’s nothing to fear from 2002 AM31. It’ll pass within 14 times the moon’s distance from Earth. But you might enjoy watching it sweep past!

A powerful X-flare on the sun on July 12 was aimed directly toward Earth. Its effects arrived July 14. Aurora alert!

People around the world are buzzing about planets and moon in predawn sky. More in this week’s EarthSky 22. Song of the week Burgess Meredith’s The Big Deal.

The swirling mass appears to execute one full rotation in about nine hours – much faster than Titan’s 16-day rotation period.

The brightest star in the sky, Sirius, is about as bright as a 100-Watt incandescent light bulb viewed from a distance of more than 5 miles.

The debate was whether Saturn’s own internal heat – or energy from the sun – drives Saturn’s jet streams.

Somebody had fun putting this together. It’s an imaginary planetrise from a hypothetical city (really, Seattle) on faraway planet Kepler-36c.

When the two worlds are closest, say the astronomers, the co-orbiting gas giant planet Kepler-36c would span three times more sky than a full moon does from Earth.

Inside Mars, the amount of water may be vastly greater than previous estimates. Mars’ interior might have as much as – or more – water than Earth.

Links and information to online viewing of close-passing asteroid 2012 LZ1. This evening for U.S. Tomorrow morning (June 15) for Asia.

If you could stand on the surface of the moon during a total lunar eclipse, you’d be bathed in an eerie red glow. What else would you see?

One of the coolest things about the planet Saturn is its moon Enceladus. This moon is known to expel water and rain it down onto its parent world.

Thank you to everyone in EarthSky’s Facebook community for sharing these amazing eclipse photos from May 20-21, 2012.

The solar eclipse of May 20-21, 2012 is part of a cycle – called the Saros cycle – that repeats about every 18 years and 10 days.

This photo shows fine detail in the sun’s surface, surrounding the moon silhouette, during an annular or ring eclipse in 2010.

Want to see the solar eclipse on May 20, 2012? National parks in the United States are gearing up for the event.

Annular eclipse on Sunday! Here’s the story ….

Seeing Venus near star Elnath. Previewing May 20-21 annular eclipse! Song of Week “Don Alejo” from The Echocentrics by Grammy Award winner Adrian Quesada.

Sand dunes on Mars shift and move at about the same rate as earthly dunes. Yet Mars atmosphere is thin, and its winds are weak.

In this image of globular cluster Messier 55, tens of thousands of stars are crowded together like a swarm of bees.

The James Webb Space Telescope, aka Hubble 2.0, now has its first instrument. The instrument took 10 years and 200 scientists to build.

The Hubble telescope will use the moon as a mirror to observe the transit of Venus on June 5-6, 2012.

Supermoon … really? Deborah Byrd’s supermoon straight talk …plus the world’s oldest human blood … and a great song by the Black Angels.

This year, there will be a big full moon shining over your Cinco de Mayo party. In fact, it’s a full moon that’s getting tagged as a ‘supermoon.’

NASA’s Cassini spacecraft will fly within about 46 miles (74 kilometers) of Saturn’s moon Enceladus on May 2,2012. Yay! More images of this moon’s mysterious jets!

Scientists have discovered strange objects punching through parts of Saturn’s outermost ring – the F ring – leaving glittering trails behind. Watch a video …

Deborah Byrd talks about Lyrid meteor shower, peaking April 21-22. Song of the week Jesse Wood’s Neon Rose from his Moon Rocks EP.

Ten oddities and misconceptions about space that you may — or may not — have heard before.

Students participating in the MoonKAM project used NASA’s GRAIL spacecraft to capture this wonderful image of Earth as seen from the moon’s far side.

Comets bombarding Earth billions of years ago carried and deposited the key ingredients for life to spring up on our planet, according to new research.

“It sounds crazy but it could be snowing microbes on the surface of this little world,” a space scientist said of Saturn’s moon Enceladus.

Astronomers used a supercomputer to simulate the passage of 10 million asteroids past Earth, resulting in the insight that Earth frequently has multiple moons.

The MESSENGER spacecraft completed its one-year primary mission in orbit around the planet Mercury on March 17, 2012. New findings released today.

NASA’s Lunar Reconnaissance Orbiter has been orbiting the moon for 1,000 days. Celebrate by watching two new eye-popping videos.

This week … a rockin’ alignment of brightest planets Venus and Jupiter with the moon. Song of the week from Jesse Woods: Sparks off his LP Moon Rocks.

Here is a collection of 10 often unknown or misunderstood facts about our solar system – our sun and its family of planets.

The best time to see Mars for this two-year period is here! Check out this beautiful photo.

Twin spacecraft – named Ebb and Flow, part of NASA’s GRAIL mission – are orbiting the moon. Ebb has captured a video of the moon’s far side.

Thanks to the Kepler satellite, we now know of three planets orbiting in double star systems.

Asteroid 433 Eros passed closer to Earth on January 31, 2012 than it had since 1975.

Scientists using radar to peer through Titan’s dense clouds see vast fields of sand dunes, not unlike those on Earth. See the newest images.

The sun and moon appear the same size in Earth’s sky because the sun’s diameter is about 400 times greater – but the sun is also about 400 times farther away.

The Hinode satellite, which has been orbiting Earth since 2006, has captured some amazing eclipse images. This one is particularly striking.

There are going to be some spectacular pairings of Venus and the moon in early 2012. Here are fav pics from last month, taken by EarthSky Facebook friends.

Observers at high latitudes reported “incredible” displays of the northern lights during the night of January 24, 2012.

This photograph, taken January 4, 2012 from Houston, Texas, juxtaposes Earth’s oldest satellite, the moon, with one of its newest, the International Space Station.

Fourth graders from Bozeman, Montana are the winners of a NASA student contest to name the twin moon-orbiting GRAIL spacecraft.

Astronomers found a ring system in a distant solar system when the rings blocked the light of that distant sun, and caused a temporary dimming of its light.

Earthlike moons might exist in the habitable zones around double star systems, according to astronomers from the University of Texas at Arlington.

These astronomers say this is the first direct glimpse at dark matter on large scales showing the cosmic web in all directions.

If extra-terrestials visited the moon, they may have left tell-tale signs. It’s worth a look, says a leading scientist, and won’t cost much.

EarthSky space blogger Laura Dattaro picks her top 5 most exciting things to look forward to in space science in 2012.

Saturn’s moon Titan has an impenetrable methane atmosphere. Scientists explain mysteries of the “methane cycle” on Titan – a cousin to Earth’s water cycle.

The Orion crew capsule test conjures up memories of Apollo astronauts splashing down in the oceans in the ’60s and ’70s.

The GRAIL mission will study the moon’s gravitational field via minute differences in the distance between the two craft as they orbit above the moon’s surface.

Scientists believe the fireball seen New Year’s Eve 2011 came from the asteroid belt. It disintegrated 82 km (51 miles) above Earth’s surface.

In the U.S. Eastern Standard Time – or farther west – you’ll see this same scene in the west after sunset tonight!

As it swept near the sun in early December 2011, Lovejoy’s dust tail was completely severed, and afterwards gently floated towards the sun while its head raced on without it.

It was tough to choose from so many wonderful lunar eclipse pics, posted by EarthSky Facebook friends. Here are some of the best.

The moon appears to wobble as we watch a visualization of a whole year of orbits compressed into 2.5 minutes.

In this beautiful image, Saturn itself is in the background. The moon Rhea is in silhouette. The dark lines are the shadow of Saturn’s rings.

Orbiting spacecraft have now seen avalanches of dust on the surface of the planet Mars.

EarthSky friends shared their photos of the planet Venus and young moon, together in the sky in late November 2011.

The James Webb Space Telescope (JWST) is the Hubble Space Telescope’s successor. It’s scheduled to launch in 2018.

This new map of the moon is the highest resolution topographic lunar map ever created.

We knew there was wind on Mars. We knew there was sand. Now we know the Martian winds are strong enough to move the sand in many parts of Mars.

Buzz Aldrin, Neil Armstrong, Michael Collins, and John Glenn have become the first astronauts in history to win Congressional Gold Medals.

Earth might have been spared from a collision with Mars or Venus by the process in which a fifth giant world was ejected from our solar system.

Bookmark this page to see the latest images of asteroid 2005 YU55, which passed 200,000 miles (319,000 kilometers) from Earth on November 8, 2011.

Using mathematics, researchers conclude that we cannot rule out the possibility of extraterrestrial artifacts in our solar system.

When at its closest on November 8 and 9, asteroid 2005 YU55 will look like a steadily moving star. It’ll cover a moon’s width of sky in under 5 minutes.

The large asteroid 2005 YU55 will fly within the moon’s distance from Earth on November 8, 2011.

Wow, we have some talented friends on Facebook. Thank you Raven Yu, Jv Noriega and Elizabeth-Anne Booth for these images of the young moon.

NASA will be tracking 2005 YU55 with antennas of the Deep Space Network in California as the asteroid flies closer than the moon’s distance on November 8, 2011.

The space shuttle program was one of the most visible, successful and adored missions in NASA’s history. Here’s where the shuttles will end up.

In this post, see a discovery animation of the first near-Earth asteroid by amateur astronomers.

Color variations on the moon reveal the presence of titanium and suggest how the lunar surface weathered.

Conventional wisdom said a single blow caused Uranus to lie sideways in the plane of the solar system. But maybe the cause was several small bumps instead.

Despite a bright moon, many people saw a good display of meteors in the Draconid meteor shower. Good job Canadian astronomer, Paul Wiegert!

The prediction for October 8 Draconid meteor storm favors all of Europe, North Africa, and the Middle East. A bright moon will interfere.

Scientists piece together six years of images from the Cassini mission to create a mosaic of the surface of Titan — Saturn’s largest moon.

Far from being dead, Mercury’s exosphere is dynamic and continually renewing. This gives astronomers clues about the planet’s surface and environment.

All of launch dates are tentative, but are a welcome step after concerns that launches would cease due to an unmanned Soyuz crash over Siberia on August 24.

Five of Saturn’s moons appear in one image taken by the Cassini spacecraft in 2011.

Is Comet Elenin showing any signs of being a spaceship, colliding with Earth or creating three days of darkness? Nope.

The Space Launch System is a new heavy-lift launch vehicle planned by NASA, similar to the Saturn V rockets that launched men toward the moon 40 years ago.

The instruments aboard the twin GRAIL lunar orbiters are so precise they can detect a change in the distance between the two the diameter of a red blood cell.

A cosmic explosion – a supernova – from 21 million light-years away has been in the news. To see it, find a star party and experienced observers.

New images released today by NASA show tracks from Apollo 17′s lunar rover – and the last footprints left on the moon by astronauts – from the year 1972.

Juno captured this image of the Earth and moon on August 26, 2011 from about six million miles away.

Infamous Comet Elenin might be self-destructing. Its core appears elongated, and its brightness has decreased – telltale signs of a cometary break-up.

Earth’s moon was thought to be 4.57 billion years old, but a detailed analysis of lunar rock indicates it might be as much as 200 million years younger.

Astronomers may have glimpsed graphene in space, providing a clue about how our carbon-based selves and other life on Earth developed.

What’s it like at the north pole of Mars, at the time of the northern summer solstice? Check out this image from ESA’s Mars Express spacecraft.

The James Webb Space Telescope brings proven on-the-ground benefits as recently as July 2011. Plus – how you can help save this project.

NASA’s Jupiter-bound Juno spacecraft will carry LEGO likenesses of Galileo Galilei, the Roman god Jupiter, and his wife Juno to Jupiter.

Astronomers have discovered the first known “Trojan” asteroid orbiting the sun along with Earth.

Mysterious volcanic domes – rich in silica – have been found on the far side of the moon. Their origin remains enigmatic.

An exoplanet like a hot Jupiter, orbiting close to its sun, would likely have an aurora up to a thousand times brighter than one on Earth.

As the Hubble Space Telescope worked to support NASA’s New Horizons mission to Pluto, it also found a fourth moon for the dwarf planet, scientists announced today.

What causes a monster black hole at a galaxy’s heart to turn on and begin radiating powerfully? European astronomers suggest a reason besides galaxy collisions.

The Cassini spacecraft delivers imagery of a massive thunderstorm on Saturn eight times the surface area of Earth.

A day on Neptune lasts 15 hours, 57 minutes and 59 seconds, according to the first accurate measurement of its rotational period.

The New Horizons spacecraft will have enough fuel for a side trip to a frozen object near Pluto, and IceHunters wants your help in picking it out.

The Mars Express spacecraft observed an alignment of Jupiter and the Martian moon Phobos. Captured images now appear as an animation of this rare event.

The European Southern Observatory designated six Photo Ambassadors, who share their dazzling view with the world.

Comet Elenin will sweep past Earth in late 2011. NASA’s Don Yeomans says its passage is nothing unusual and no dramatic events are expected.

The Freedom 7 crater on Mars is 82 feet in diameter, matching the height of Shepard’s Redstone rocket.

On May 5, 1961, Alan Shepard became the first American to travel into space. His suborbital flight came less than a month after Yuri Gagarin orbited Earth once.

Quasars illuminate ghostly clouds of intergalactic hydrogen, providing view of universe 11 billion years ago.

ESO astrophotographer captures elusive green flash as moon sets over Chile’s Atacama Desert.

Cassini camera detects unusually strong current looping from the moon Enceladus to Saturn, 150,000 miles away.