This Just In
A global team of vigilant satellite watchers has caught the U.S. Air Force's robotic X-37B space plane on camera as the craft circles Earth on its fourth mysterious mission.
A heated battle that spread to federal courtrooms and the U.S. Congress ended on Tuesday with the U.S. Air Force clearing Elon Musk’s rocket company SpaceX to fly military and national security satellites.
Mice that spent three months aboard the International Space Station returned to Earth with thinning skin and surprising changes in hair follicles.
A Swedish university student has created a design for an International Flag of Planet Earth that could be planted on alien worlds.
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.
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 Air Force has revealed that it is collaborating with two organizations to evaluate experiments carried on the space plane's upcoming mission.
An innovative concept for tiny probes attached to gliders could one day allow small robots to explore intricate locales on Mars that probes never could reach before.
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