NASA and SpaceX will launch a four-astronaut relief crew to the International Space Station early Friday, Feb. 13, to return the lab to a full seven-person population.

A United Launch Alliance Vulcan rocket carrying classified Space Force payloads suffered a booster problem but apparently made an otherwise "nominal" ascent to space, the company said.

The Egg Nebula, located around 1,000 light years away, is home to a dying star entering last phase of its life.

Elon Musk has overhauled xAI’s executive ranks after the merger of his AI start-up with SpaceX, telling staff he wants to build a factory and city on the Moon and catapult AI satellites into space.

Elon Musk overhauled the management of his artificial intelligence startup xAI ahead of a planned initial public offering that could rank among the largest ever, a week after merging the company with ...