Never-Before-Seen Photo of Europa Shows Rivers of Red Ice

The folks at JPL just published a new image of the surface of Europa – Jupiter's watery, chaotic, eruptive, and potentially life-harboring satellite. The photograph illustrates the contrast between the moon's relatively pure water ice (blue-white terrain) and its saltier, and thereby ruddier, surface ice. » 7/09/14 3:40pm 7/09/14 3:40pm

You Are Now Officially Invited to Nominate Names for Exoplanets

The International Astronomical Union (IAU), which oversees planetary nomenclature, today invited the public to submit and vote on names for recently discovered exoplanets and their parent stars. Anyone wanting to see a planet named "Gallifrey" or "Waist-Deep Cats" – today is the day you've been waiting for. » 7/09/14 10:31am 7/09/14 10:31am

The "Grand Finale" To Cassini's Tour of Saturn Sounds Pretty Damn Epic

On Monday, NASA's Cassini probe celebrated ten years of Saturnian exploration – a decade of stunning images and insights about the planet and its moons. But in late 2016, Cassini will begin the dramatic final phase of its mission – a newly annointed "Grand Finale" that will culminate with an intentional dive into… » 7/02/14 11:45am 7/02/14 11:45am

Watch NASA Test Its Rocket-Powered "Flying Saucer" Live On io9!

After scrapping all of its planned test launches earlier this month, NASA will today attempt to release its Low Density Supersonic Decelerator (LDSD) from the edge of space. The rocket-powered, flying saucer–shaped landing vehicle will then return to Earth on a dramatic path through Hawaii's skies. Watch it live, here! » 6/28/14 10:40am 6/28/14 10:40am