Members of the House Science, Space, and Technology Committee voted to approve a NASA authorization bill this week, advancing ...

We track the strange, classified rise of the X-37B, the U.S. military’s reusable robotic space plane that keeps returning from years-long missions with almost no public explanation. From its NASA ...

During the Cold War, the Soviet Union secretly built its own space shuttle to rival America’s NASA program. Called Buran, it ...

NASA said Tuesday that it has postponed the second mission of its Artemis program, pushing the highly anticipated launch from ...

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.