Visible storms on Uranus thrill astronomers

The normally bland face of Uranus has become increasingly stormy, with enormous cloud systems so bright astronomers can see details in the planet’s hazy blue-green atmosphere.

Rosetta mission places Philae lander on its comet

As of Thursday morning, November 13 - after initially failing to attach to the surface - Philae is now stable and is sending back pictures.

As Philae detached from its mothership, an eerie comet song

Listen in on a mysterious sound produced by Rosetta's comet. ESA says the comet song is due to "oscillations in the magnetic field in the comet's environment."

Comet-like tail discovered on long-known asteroid

Until about 10 years ago, it was pretty obvious what a comet was and what a comet wasn't. Now, that's changing ...

Watch today’s comet landing live online

NASA and ESA will provide live online coverage of the November 12 Rosetta mission’s scheduled landing of a probe on a comet. Here's how to watch.

What makes Jupiter’s Red Spot red?

A new analysis suggests that sunlight - not chemicals beneath Jupiter’s clouds - give the Great Red Spot its ruddy color.

Extraterrestrial oceanography reveals depths of Titan sea

The Cassini spacecraft - which has been orbiting Saturn since 2004 - used radar to sound the depths of a sea of liquid methane and ethane on Saturn's large moon Titan.

Three cool images of a comet’s night side

The dayside images of Rosetta's comet have been fantastic. Now, thanks to backscatter of sunlight from the comet's coma, we're seeing amazing nightside images.

Dramatic attempt to land on a comet coming Wednesday

Rosetta spacecraft will do the equivalent of transferring an object from one speeding bullet to another, when it tries to place its Philae lander on its comet.

Video: Astronauts put GoPro in floating water ball

Watch three astronauts aboard the ISS having fun with a GoPro and a floating ball of water.

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