Missions
Rosetta’s 67P Comet Compared to Everything, Including the Death Star
We've seen a bunch of pictures comparing Comet 67P/Churyumov–Gerasimenko with all kinds of cities and objects on Earth, but it's…
Comet Siding Spring Was Bleeding Hydrogen As It Sped By Mars
As Comet Siding Spring passed close by Mars on Sunday (Oct. 19), NASA's newest Mars spacecraft took a time-out from…
Stinky! Rosetta’s Comet Smells Like Rotten Eggs And Ammonia
While you can't smell in space -- there is no medium to carry the molecules, the same reason you can't…
Videos: From Space, Lightning Looks Like Creepy White Blobs
Standing on the ground, we're used to seeing the bolts and flashes of lightning during epic thunderstorms. But how would…
Rosetta’s Comet Springs Spectacular Leaks As It Gets Closer To The Sun
Jet! The comet that the Rosetta spacecraft is visiting is shedding more dust as machine and Solar System body get…
This 3-D Martian Picture Feels Like You’re Standing Beside The Opportunity Rover
Grab your 3-D glasses (you do have a pair handy, right?) and take a look at this latest vista from…
Could ‘Heavy Metal’ Frost Lurk Beneath Venus’ Hothouse Clouds?
Talk about using old data for a new purpose! Researchers re-examining information from the completed NASA Magellan mission found signs…
Martian Permafrost And Dust-Sculpted Surface Captured By NASA Spacecraft
Mars was once thought to be a fairly unchanging planet, similar to the Moon. But now we know it is…
Titan’s Majestic Mirror-Like Lakes Will Come Under Cassini’s Scrutiny This Week
There's a very early-stage NASA concept to take a submarine and dive into a lake of Titan, that moon of…
How Rosetta Will Send Philae Lander To Comet’s Surface (Plus, Landing Site Contest!)
The Philae spacecraft has a tough job ahead of it on November 12: it is slated to make the first…