NASA’s giant SLS (Space Launch System) rocket is set to roll to the launch pad Saturday as it prepares to return humans to the vicinity of the moon for the first time in more than 50 years as part of ...

NASA is launching an emergency return for an astronaut with a "serious medical condition" on the International Space Station.

"This was a deliberate decision to allow the right medical evaluations to happen on the ground, where the full range of diagnostic capability exists. It's the right call, even if it's a bit bitterswee...