The Great Pacific Garbage Patch explained

In light of the sheer physical enormity of the Great Pacific Garbage Patch and the complexity of its causes, what can we possibility do about it?

Watch clouds move over a methane sea on Titan

NASA has released an animation of methane clouds moving above a hydrocarbon sea on Saturn's large moon, Titan.

Video: It’s giant panda triplets!

They are the world's only known surviving set of giant panda triplets, born at a zoo in southern China. All three are adorable ... and expected to survive.

See any Perseids?

Bright supermoon washed out all but the brightest meteors in this year's Perseid meteor shower. But we do have some nice pics, thanks to you ...

Video: Baby elephant sees ocean for the first time

To celebrate World Elephant Day ... It's an EarthSky favorite!

A new way to search for exomoons

We now know more than 1,800 exoplanets - worlds orbiting distant suns - but zero exomoons. UT Arlington physicists propose a new way to search for them.

The eye of Saturn

Like a giant eye, the great vortex at the north pole of planet Saturn stares back at the Cassini spacecraft as Cassini stares at it.

Video: Colliding atmospheres of Mars and Comet Siding Spring

Martian auroras? Maybe a meteor shower? What Mars satellites might see when Comet Siding Spring sweeps super close to Mars this October.

Video: Rosetta’s race to map its comet

Last week, Rosetta became the first spacecraft ever to rendezvous with a comet. Now the spacecraft is in a race against time. Rosetta's next challenges, here.

Best photos: It was a super supermoon!

The August 10, 2014 supermoon was the closest, brightest supermoon of 2014. Enjoy these photos from friends in the EarthSky community.