shuttle Columbia

(Newser) - A hard drive recovered from the Columbia shuttle disaster confirms an old theory about why people shake ketchup before pouring it, LiveScience reports. Astronauts on the craft were conducting a zero-gravity experiment with xenon, a gas, to study viscosity, but scientists feared the results were lost after Columbia burned up...

(Newser) - Pam Melroy became only the second woman to safely land a space shuttle as the Discovery touched down at Cape Canaveral, Fla., at 1:01pm today. The touchdown capped a blistering 15-day mission during which the shuttle crew attached a new room to the international space station and repaired damaged...