An American astronaut and two Russians have returned to Earth after six months aboard the International Space Station.

China and Russia said they will build a lunar research station, possibly on the moon's surface, marking the start of a new era in space cooperation between the two countr...

This photo taken on Dec. 14, 2020, and distributed by Russian Defense Ministry Press Service shows, a test launch of a heavy-class carrier rocket Angara-A5 from the launc...