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May 27, 2015 04:30 PM ET // Irene Klotz
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.
May 27, 2015 10:00 AM ET // Irene Klotz
Mice that spent three months aboard the International Space Station returned to Earth with thinning skin and surprising changes in hair follicles.
May 21, 2015 09:50 AM ET // Elizabeth Howell, Space.com
A Swedish university student has created a design for an International Flag of Planet Earth that could be planted on alien worlds.
May 20, 2015 12:50 PM ET // Mike Wall, Space.com
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.
May 20, 2015 08:34 AM ET // Mike Wall, Space.com
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.
May 19, 2015 01:51 PM ET // Leonard David, space.com
The Air Force has revealed that it is collaborating with two organizations to evaluate experiments carried on the space plane's upcoming mission.
May 19, 2015 09:41 AM ET // Kasandra Brabaw, Space.com contributor
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.
May 19, 2015 06:55 AM ET // Elizabeth Howell, Space.com
The NASA payload aims to test how the space environment affects certain materials.
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