NASA

Register now for FREE unlimited access to Reuters.comRegisterCAPE CANAVERAL, Fla., Sept 3 (Reuters) - For the second time in five days, NASA on Saturday halted a countdown in progress and postponed a planned attempt to launch the debut…

Dark energy illustration. Credit: Visualization by Frank Summers, Space Telescope Science Institute. Simulation by Martin White, UC Berkeley and Lars Hernquist, Harvard UniversityCould one of the biggest puzzles in astrophysics be solved…

NASA will unveil potential future landing sites for a human return to the surface of the moon, and you can watch the briefing on Space.com today (Aug. 19), or directly on the space agency's website. NASA is serious about getting humans…

Despite signs of wear, the intrepid spacecraft is about to start an exciting new chapter of its mission as it climbs a Martian mountain. Ten years ago today, a jetpack lowered NASA’s Curiosity rover onto the Red Planet, beginning the…

The blast was astonishing.When the Hunga Tonga-Hunga Ha’apai volcano erupted on Jan. 15, it sent shock waves around the planet. The imagery awed earth scientists. And now, researchers have found the eruption pumped enough water vapor…