Pluto is so far away from us and so tiny that it's hard to glean even basic facts about it.…
Don't take these spectacular Mercury images (below the jump) for granted. Three weeks ago, NASA's orbiting Mercury spacecraft did an…
Maybe you can't climb on a rocketship to Mars, at least yet, but at the least you can get your…
Feeling lucky? Events such as the Comet Siding Spring approach by Mars in October only happen about once every eight…
It's been an interesting year for Venus Express. A few months ago, controllers deliberately dipped the spacecraft into the atmosphere…
Get a load of those streaks! Rosetta's comet is picking up in activity as it moves ever closer to the…
It's not quite across the universe from us, but Rosetta's comet is a fair distance away -- outside the orbit…
Opportunity is the rover that keeps on going and going. It recently broke an extraterrestrial driving record after 10 years…
After facing down a couple of delays due to technical difficulties, Europe's and Japan's first Mercury orbiter is entering some…
The first soft comet landing Nov. 12 showed us how space missions can quickly drift to the unexpected. Philae's harpoons…