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View larger. | The narrow F ring located just outside of the outer edge of the main rings. Two satellites sandwiching the F ring slightly above and to the left of the center of the image are the shepherd satellites Prometheus (inner orbit) and Pandora (outer orbit).
Science Wire | Aug 26, 2015

Origin of Saturn’s F ring and shepherd moons

The F ring, Saturn’s outermost ring, is perhaps the most active ring in our solar system, with features changing on a timescale of hours.

Science Wire | Aug 26, 2015

New images from Dawn mission to Ceres

Dawn spacecraft has now moved to within about 900 miles (1,500 km) from the dwarf planet Ceres. See some early images from its new, closer orbit.

A frozen lake of water-ice on the floor of a 35 km wide impact crater on Mars. Image credit: ESA/DLR/FU Berlin (G. Neukum)
Science Wire | Aug 26, 2015

Liquid water elsewhere in our solar system?

If so, where are we likely to find it? Could we ever get to it? Would we be able to drink it? A planetary geoscientist explains.

Illustration showing one of the highest-energy neutrino events of this study, superimposed on a view of the IceCube Lab at the South Pole. Evidence of the neutrinos heralds a new form of astronomy.
Science Wire | Aug 25, 2015

Cosmic neutrinos confirmed at South Pole

Researchers say these high-energy neutrinos come from sources beyond our Milky Way galaxy. They say the ability to discover them heralds a new form of astronomy.

Image via video about moon volcanos
Science Wire | Aug 24, 2015

Fire fountains on moon mystery solved

A new explanation for the driving force behind ancient fire fountain eruptions on the moon. Plus … do some volatiles on the moon and Earth have a common origin?

Moon shot with blue filter via our friend Jv Noriega
Science Wire | Aug 24, 2015

When is the next Blue Moon?

The next Blue Moon will be on May 21, 2016. It’s a seasonal Blue Moon, the third of four full moons between the March equinox and the June solstice of 2016.

Image acquired from International Space Station, August 10, 2015.
Science Wire | Aug 24, 2015

Captures of elusive red sprites from ISS

Why are sprites elusive? It doesn’t help that they flash on millisecond timescales. Also, they’re above thunderstorms, usually blocked from view on the ground.

Zodiacal light
Science Wire | Aug 24, 2015

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.

Saturn's moon Dione hangs in front of Saturn's rings in this view taken by NASA's Cassini spacecraft during the inbound leg of its last close flyby of the icy moon. Image credit: NASA/JPL-Caltech/Space Science Institute
Science Wire | Aug 24, 2015

Amazing views of Saturn’s icy moon Dione

The Cassini spacecraft made its final flyby of Saturn’s moon Dione last week. Check out the spacecraft’s final breathtaking close views.

Artist’s impression of a rocky and water-rich asteroid being torn apart by the strong gravity of the white dwarf star. Similar objects in the solar system likely delivered the bulk of water on Earth and represent the building blocks of the terrestrial planets. Image credit: Mark A. Garlick / University of Warwick
Science Wire | Aug 20, 2015

No asteroid threatening Earth in September

Despite rumors, no asteroid threatens Earth. All known Potentially Hazardous Asteroids have less than a 0.01% chance of hitting Earth in the next 100 years, says NASA.

Science Wire | Aug 18, 2015

Space weather threatens equatorial regions too

Damaging electric currents in space affect Earth’s equatorial region, not just the poles, according to new research.

ISS, as captured by Dave Walker
Science Wire | Aug 17, 2015

How to spot the International Space Station

Every so often, the International Space Station (ISS) becomes visible in your night sky. Here’s how you can spot it.

An artist’s conception of the Jupiter-like exoplanet 51 Eridani b, seen in the near-infrared light that shows the hot layers deep in its atmosphere glowing through clouds. Image credit: Danielle Futselaar and Franck Marchis/SETI Institute
Science Wire | Aug 17, 2015

Astronomers discover ‘young Jupiter’ exoplanet

A team of astronomers has discovered a planet outside our solar system, 100 light-years away, that resembles a young Jupiter.

At the core of the dwarf galaxy RGG 118, University of Michigan astronomers have found the smallest supermassive black hole ever discovered. Image credit: Vivienne Baldassare, University of Michigan
Science Wire | Aug 17, 2015

Astronomers find teeny supermassive black hole

In a dwarf galaxy 340 million light years away, astronomers have found the smallest black hole ever observed in the center of a galaxy.

Science Wire | Aug 17, 2015

Cassini’s last close flyby of Saturn moon Dione today

The Cassini spacecraft will zip past Saturn’s moon Dione on Monday, August 17 . It will be the spacecraft’s final close flyby of this icy satellite.

Hoax image via social media.
Blogs | Tonight | Aug 15, 2015

No double moon in 2015, or ever

Will Mars and the moon will appear the same size at some point in 2015? Gosh, no. What’s really amazing is the staying power of this 12-year-old hoax.

View larger. Peter Greig told us, "I saw around a dozen meteors tonight (night of August 10-11) up at Bamburgh. The only one I caught was captured with the first 10 minutes of arriving." Thank you Peter!
Science Wire | Aug 13, 2015

Great Perseid photos here

Have you seen Perseid meteors in your sky? If you have had cloudy skies – or even if not – enjoy these images from all around the world.

Milky Way in Australia via Erin Cole
Science Wire | Aug 13, 2015

Video: Zoom to the center of the Milky Way

Zoom in to the Milky Way’s center until you see a close-up view of objects orbiting the supermassive black hole at the heart of our galaxy.

Image credit:
Science Wire | Aug 13, 2015

Charting the slow death of the universe

A study of 200,000 galaxies found they had lost half their energy in just 2 billion years.

Photo Credit:  A. Dupree, R. Gilliland, NASA
Science Wire | Aug 12, 2015

How far is Betelgeuse?

Finding star distances isn’t easy. Here’s how it’s done, and why astronomers recently modified the distance estimate to the famous star Betelgeuse.

Image credit: NASA
Science Wire | Aug 11, 2015

Swirling mystery of Jupiter’s Great Red Spot

The Great Red Spot has been swirling wildly over Jupiter for the past 150 years, but scientists still aren’t sure what causes the gigantic storm’s reddish hues.