Sunita "Suni" Williams had an unexpectedly long stay at the International Space Station after her capsule malfunctioned.

The Moon will reach perigee, which is the point in its elliptical orbit where it is closest to Earth, on Saturday, March 29.

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

Blue Ghost spent around 25 days in Earth orbit, four days in lunar transit ... capturing footage of the dark side from 120 km above the surface. The new footage, shared on Firefly Aerospace's ...