NASA employees received a memo from acting agency administrator Janet Petro, Wednesday, mandating the closure of all ...

Space missions lasting months can result in muscle atrophy, bone density loss, and fluid redistribution, all of which are amplified by microgravity.

Rocket Lab (NASDAQ: RKLB) stock stumbled 8.2% through 11:30 a.m. ET Wednesday, giving back some of its mammoth 30% gain from ...

"America is leading humanity back to the Moon, onward to Mars, and into a golden age of space exploration," Nelson wrote, ...

Pettit is a veteran of two long-duration stays aboard the ISS, and is currently undertaking his third. On September 11 2024 ...