Does spaceflight increase men's risk of erectile dysfunction?

During missions into space, astronauts are exposed to high levels of galactic cosmic radiation and weightlessness. Simulation experiments in male rats indicated that these aspects of spaceflight can negatively affect vascular ...

China to send youngest-ever crew to space station

China will send its youngest-ever crew of astronauts to the Tiangong space station this week, officials said Wednesday, as Beijing pursues plans for a manned mission to the moon by the end of the decade.

Columbia disaster that scuttled the space shuttle

America may now be aiming to put astronauts back on the Moon, but for years the United States turned its back on manned missions after the Columbia space shuttle disaster.

Science without gravity at the International Space Station

In two decades orbiting the Earth the International Space Station has become a cutting-edge cosmic laboratory, with astronauts researching everything from black holes to disease and even gardening in microgravity.

China delays launch to complete GPS-like Beidou network

Citing technical reasons, China has delayed the launch of the final satellite to complete its Beidou Navigation Satellite System constellation that emulates the U.S. Global Positioning System.

SpaceX in 'perfect' test of Crew Dragon emergency abort system

SpaceX successfully tested its emergency abort system on an unmanned spacecraft moments after launch Sunday, according to a live broadcast of the event, the last major test before it plans to send NASA astronauts to the International ...

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