Blue Origin's New Glenn rocket is poised to lift off for the third time ever on Sunday morning (April 19) — but for the first time with previously flown hardware. Here's how to watch it live.

Yuri Gagarin remains one of the most celebrated figures in the history of space exploration. Born in 1934 in a small village in the former Soviet Union, he grew up with a fascination for aircraft and ...

Artificial intelligence has quietly crossed a new threshold in orbit, helping steer a free-flying robot through the tight corridors and crowded workspaces of the International Space Station. Instead ...