Celebrating the lasting legacy of our planet's off-world laboratory since it was first inserted into orbit in 2000, NOVA presents a two-part exploration of the venerable International Space Station ...

NASA's Artemis II crewed mission to the moon shows how U.S. space strategy has changed since Apollo -- and contrasts with China's closed program.

We’ve found lots of “habitable” worlds but we don’t know what factors are needed for life. There are lots of reasons to search for planets around other stars—exoplanets. A big one is to find other ...

The International Space Station is turning 25 this month. Twenty-five years of people from all over the world living together and working together in space. At the same time, it is starting to wrap up ...

A nuclear engineer reacts to an ambitious concept explored by PBS Space Time: could antimatter-powered spacecraft exist ...