Spaceflight alters bacterial social networks

When astronauts launch into space, a microbial entourage follows. And the sheer number of these followers would give celebrities on Twitter a run for their money. The estimate is that normal, healthy adults have ten times ...

NASA inspects damaged tiles on shuttle

NASA is examining seven heat shield tiles that appear to have been damaged during the shuttle Endeavour's ascent into orbit, but the US space agency said Wednesday there was no cause for concern.

New launch communications segment empowers Artemis

As Artemis astronauts lift off from NASA's Kennedy Space Center, Florida, new ground systems will provide them with the communications links needed to ensure safety and mission success.

Further delay for final Discovery launch

NASA said Thursday it had again postponed the launch of the space shuttle Discovery, already pushed back to February, to an undetermined date to allow more time for repairs.

US astronauts somber as shuttle era comes to an end

The Atlantis roars back to Earth this week ending America's vaunted space shuttle program and frustrating a generation of astronauts who see their chance to soar into the cosmos sharply limited.

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