The unmanned X-37B spacecraft is scheduled to blast off atop a United Launch Alliance Atlas V rocket from Florida's Cape Canaveral Air Force Station, during a four-hour launch window that opens at 10:45 a.m. EDT.
The U.S. Air Force's X-37B space plane blasted into Earth orbit today, kicking off the robotic vehicle's clandestine fourth mission — as well as the first flight of a tiny solar-sailing spacecraft.
Most of the X-37B's payloads and specific activities are classified, so it's not entirely clear what the space plane will be doing once it leaves Earth Wednesday.
A Russian-built rocket failed during a communications satellite launch over the weekend, dealing another blow to the nation's space program.
Extended radiation in space can permanently harm the brain, studies on lab animals showed. Continue reading →
The International Space Station may be seriously graying at the temples, but that doesn't mean it still can't contribute meaningfully to science. Trace explains why the venerable space lab still matters.
A non-profit Dutch organization spearheading an effort to colonize Mars whittled down its list of candidate settlers to 100 men and women interested in permanent relocation a decade from now.
The Dragon spacecraft splashed down Tuesday at 7:44 p.m. EST in the Pacific Ocean off the coast of Baja California.
+ Load More