We won't reach Alpha Centauri until the 24th century...unless we have…

If you take humanity's current energy and technological capacity and project a steady increase into the future, the chances of us reaching the stars any time soon look bleak. Even our nearest stellar neighbor is at least 300 years away. » 9/27/10 1:10pm 9/27/10 1:10pm

Will Hayabusa Make It Back To Earth?

The pellet gun failed to fire, three of its four engines have failed, and mission control has lost control of it once already. Already months late, what are the odds that Japanese probe Hayabusa will make it home at all? » 11/21/09 8:00am 11/21/09 8:00am

First Ever Closeup Of Mercury

NASA's Messenger space probe finally sent back its first high-res images of Mercury's dark side, and they're surprisingly sparkling. Mercury's dark side is actually "illuminated obliquely" by the sun. Messenger is giving us our first real view of Mercury's Caloris basin, and may help to solve mysteries like why… » 1/16/08 2:30pm 1/16/08 2:30pm