For all his faults, Elon Musk sure knows how to keep things interesting. Yesterday, skies around the world lit up with what ...

Two space missions reached their conclusion: one with a splashdown, the other with a quiet lunar death. And thrilling new ...

Twins are the focus of the organization’s primary effort — a proposed series of three missions to send stem cells from twins ...

Butch Wilmore and Suni Williams left the International Space Station after nine months in space, checking out with two other ...