Live updates from Tuesday's SpaceX NROL-77 national security mission that launched a Falcon 9 rocket from Cape Canaveral ...

The Boeing X-20 Dyna Soar was a Cold War gamble to build a reusable, piloted spaceplane that could orbit Earth at roughly ...

The Air Force’s X-20 Dyna Soar Mach 20 Mistake? -In the late 1950s and early 1960s, the U.S. Air Force pursued the X-20 ...

Live updates from the Starlink 6-92 mission, which launched 5:26 p.m. Dec. 8 from Pad 39A at NASA's Kennedy Space Center.

Jonny Kim of NASA and Sergey Ryzhikov and Alexey Zubritsky of Roscosmos touched down in Kazakhstan on Tuesday (Dec. 9).

He gave readers a comprehensive and lyrical account of the historic mission in 1969. His science coverage as a ...

An unexpected bird strike triggered the crash, and the test vehicle exited the north end of the runway at low speed, Space ...

The San Francisco 49ers voided the guaranteed money in wide receiver Brandon Aiyuk's contract. Aiyuk has not instructed the NFLPA to file a grievance, suggesting he may want to leave the team. If ...

The New Orleans Saints have waived veteran wide receiver Brandin Cooks, with NFL playoff teams now eligible to potentially sign an experienced deep threat. Sure, Cooks might not be as explosive as he ...

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Three Chinese astronauts are stuck in space after their shuttle was used to cart another group back to Earth, leaving them in the dust. Astronauts Zhang Lu, Wu Fei and Zhang Hongzhang, all with the ...

Video shot inside a plane shows it crash landing in the Democratic Republic of the Congo. Passengers scrambled to safety as the plane burst into flames. There were about 20 people on board, including ...