Ceres is an embryonic planet that had the misfortune of seeing Jupiter crush its dreams of becoming a legit planet on its own. But the more scientists learn about the plucky dwarf, the more they like it.
It's a long-range plan -- like 50 years long! -- but China has begun making serious noises about mining the moon for a form of helium that's rare here but not so rare on our little lunar buddy.
The UK's Beagle 2 Mars lander, which disappeared during a landing attempt over Christmas in 2003, has finally been found by a NASA spacecraft.
The first stage rocket return attempt crashed and burned, but it proves SpaceX is on the right track to re-usability.
Although possible toxic ammonia leak onboard the International Space Station on Wednesday was a false alarm, how would the crew handle a real emergency on the orbiting outpost?
Saturday's attempt required a big step up in touchdown precision.
SpaceX called off the Dragon launch less than two minutes before its planned liftoff.
For more than 50 years, rockets have been launching into space. On Tuesday, for the first time one will attempt to land as well.
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