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Skywatcher, by Predrag Agatonovic.
Tonight | Sep 01, 2014

September 2014 guide to the five visible planets

Mars and Saturn appear at nightfall. From southerly latitudes, you can also view Mercury near the sunset horizon. The morning planets are Jupiter and Venus.

Image credit:  NASA/Ames
Blogs | This Date in Science | Sep 01, 2014

This date in science: Pioneer 11 swept past Saturn

Pioneer 11 was the first spacecraft ever to encounter Saturn. It paved the way for the even-more-sophisticated Voyager spacecraft.

Zodiacal light
Blogs | Aug 29, 2014

Everything you need to know: zodiacal light or false dawn

The zodiacal light is an eerie light extending up from the horizon. No matter where you are on Earth, springtime or autumn is the best time to see it.

A telescopic view of the Pleiades, or Seven Sisters.  The eye sees this cluster as a tiny, misty dipper of stars.  It is one of the most beloved star clusters.  Image via NOAO/AURA/NSF.
Science Wire | Aug 28, 2014

NROA astronomers pin down distance to Pleiades stars

National Radio Astronomy Observatory astronomers used a tried-and-true method – stellar parallax – to resolve a controversy over the Pleiades’ distance.

Hoax image via social media.
Blogs | Tonight | Aug 27, 2014

No double moon on August 27

Will Mars and the moon will appear the same size on August 27, 2014? Gosh, no. What’s really amazing is the staying power of this 11-year-old hoax.

Screen Shot 2014-08-27 at 7.34.44 AM
Science Wire | Aug 27, 2014

Evidence for supernovas near Earth

A NASA sounding rocket has confirmed that the solar system is inside an ancient supernova remnant. Life on Earth survived despite the nearby blasts.

A collision that took place between two galaxies when the universe was only half its current age. This picture combines the views from the Hubble Space Telescope and the Keck-II telescope on Hawaii (using adaptive optics) along with the ALMA images shown in red. Image credit: ESO, ALMA (NRAO/ESO/NAOJ); W.M. Keck Observatory; NASA/ESA
Science Wire | Aug 26, 2014

Best view yet of colliding galaxies in distant universe

Using telescopes on the ground and in space, astronomers have obtained the best-yet view of a galaxy collision that happened when the universe was half its current age.

Photo credit: Lisa Grossman/New Scientist
Blogs | Videos | Aug 26, 2014

Testing a space rover under Alaskan ice

Scientists test a device on an Alaska glacier that could be used to explore an icy moon of Jupiter.

Neptune and Triton as seen by New Horizons.
Science Wire | Aug 25, 2014

Pluto-bound New Horizons crosses Neptune’s orbit

NASA says this is New Horizons’ last major crossing en route to becoming the first probe to make a close encounter with distant Pluto on July 14, 2015.

Landing site finalist A
Science Wire | Aug 25, 2014

Five finalists for Philae landing site on Rosetta’s comet

Five finalists named as potential landing sites this November for Philae lander in ESA’s fabulous Rosetta comet mission. Comet 67P/Churyumov–Gerasimenko, here we come.

Neptune and Triton, via Voyager 2
Blogs | This Date in Science | Aug 25, 2014

Back to the future with Neptune’s fascinating moon Triton

On the anniversary of Voyager 2′s encounter with Neptune and Triton … an awesome collection of restored Voyager 2 images, plus the link between Triton and Pluto.

Moon Sept. 18, 2013 by Amy Simpson-Wynne
Tonight | Aug 25, 2014

Everything you need to know: Harvest Moon 2014

The moon will return to the evening sky this week, waxing toward full. Next full moon – night of September 8-9, 2014 – is the Harvest Moon.

Young moon of March 31, 2014 by Ken Christison.
Blogs | Tonight | Aug 25, 2014

Longest lunar month of 2014 starts on August 25

The longest lunar month of 2014 starts with the August 25 new moon and ends September 24. All you need to know about the varying lengths of the lunar months, here.

Earth from moon August 23, 1966 via Lunar Orbiter 1
Blogs | This Date in Science | Aug 23, 2014

This date in science: First view of Earth from the moon

The first view of Earth from the moon was a stunner when NASA released it in 1966. Later, NASA restored the photo to reveal even more detail.

Photo credit: Markus Grossalber/Flickr
Science Wire | Aug 22, 2014

Your toothpaste’s fluorine was formed in a star

Next time you’re brushing you teeth, think on this: New research suggests that the fluorine in your toothpaste originates from the sun’s dead ancestors.

Science Wire | Aug 22, 2014

New Voyager map reveals Neptune’s strange moon Triton

New map from a 1989 spacecraft flyby gives us a glimpse of an unseen world.

Neptune's rings via Voyager 2.
Blogs | This Date in Science | Aug 22, 2014

This date in science: Definitive discovery of Neptune’s rings

A few days before the NASA spacecraft Voyager 2 skimmed by Neptune in 1989, it acquired images of a faint, continuous ring system encircling the planet.

Science Wire | Aug 20, 2014

Wow! Spectacular landscape of star formation

New image of star-forming regions in southern Milky Way. Star cluster NGC 3603 is 20,000 light-years away. Glowing gas clouds NGC 3576 is about half as far.

View larger. | A routine wheel survey on sol 631 found the right rear wheel perched atop a spike-shaped rock firmly embedded in the ground.
Science Wire | Aug 19, 2014

Curiosity rover is having wheel problems

Mission planners didn’t anticipate that Curiosity would be driving over an area on Mars that has sharp, pyramid-shaped rocks embedded in hard ground.

M82 X-1
Science Wire | Aug 19, 2014

Strange case of M82 X-1: A rare midsize black hole

A black hole candidate known as M82 X-1 appears to have a mass of about 400 suns, making it one of only half a dozen suspected midsize black holes.

Curiosity self-portrait Feb. 3, 2013 via NASA
Science Wire | Aug 18, 2014

Video: Our Curiosity

A video love letter to the Curiosity rover on Mars, narrated by Neil DeGrasse Tyson and Felicia Day.