SpaceX is preparing for a historic launch of the Fram2 mission, which will be the first human spaceflight to the Earth’s ...

The spacecraft will reach speeds of 430,000 mph, making it the fastest human-made object. Scientists hope the mission will help explain why the sun’s outer atmosphere is far hotter than its surface.

Phoenix Mars Mission: Onto the Ice is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet ...

With the astronauts who crewed the Boeing Starliner due home in the days ahead, here's a recap of their time at the International Space Station.