China’s Shenzhou-21 space rocket and its crew including the youngest member of its astronaut corps blasted off on Friday atop a Long March-2F rocket from the Jiuquan Satellite Launch Centre in ...

Randolf Breznik is heading to the ISS in 2017. —STAR CITY, Russia -- A U.S. astronaut has spent two nights braving the Russian snows with his crew at a space center outside Moscow, simulating ...

Living in microgravity changes the human body — and usually for the worse. Bone density decreases, muscles atrophy, and eyes swell, to name a few of the physical side effects of long-duration ...

Rubins' last day was on Monday (July 28). NASA astronaut Kathleen "Kate" Rubins has retired from the space agency after 16 years, two missions on the International Space Station, four spacewalks and ...