Video: The latest look at 'first light' from Chandra

NASA's Chandra X-ray Observatory has captured many spectacular images of cosmic phenomena over its two decades of operations, but perhaps its most iconic is the supernova remnant Cassiopeia A.

Spaceflight consistently affects the gut

A new Northwestern University study discovered that spaceflight—both aboard a space shuttle or the International Space Station (ISS)—has a consistent effect on the gut microbiome

Chandra X-ray observatory celebrates its 20th anniversary

On July 23, 1999, the Space Shuttle Columbia blasted off from the Kennedy Space Center carrying the Chandra X-ray Observatory. In the two decades that have passed, Chandra's powerful and unique X-ray eyes have contributed ...

The exploration of space in 10 key dates

From the Soviet Union's pioneering satellite to the first man on the Moon 50 years ago, here are 10 key dates in space exploration.

Major shuffle at NASA in rush to meet Trump's moon deadline

NASA has replaced the head of its human space exploration directorate in a major shake-up, US media reported Wednesday, as the agency scrambles to meet President Donald Trump's ambitious deadline to return astronauts to the ...

Feds: Truck driver likely caused self-driving shuttle crash

A collision between an experimental self-driving shuttle and a semi in downtown Las Vegas was probably the truck driver's fault, but the shuttle operator didn't have quick access to a controller that could have honked the ...

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