Q&A with Keith Gendreau, principal investigator of the first X-ray space communications experiment (members only)

The announcement of his nomination comes more than five months after the President pulled it for largely political reasons.

Ground controllers sent commands Saturday for the International Space Station’s Canadian-built robotic arm to release a SpaceX Dragon cargo capsule, ending the ship’s nearly four-week stay at the orbiting research complex.

A collection chamber that could contain more than 2 pounds of samples gathered from an asteroid in deep space last week has been sealed inside of a return capsule on NASA’s OSIRIS-REx spacecraft to bring the extraterrestrial specimens back to Earth in 2023, officials announced Thursday.