WASHINGTON: The United States plans to test a spacecraft engine powered by nuclear fission by 2027 as part of a long-term NASA effort to demonstrate more efficient methods of propelling astronauts to Mars in the future, the space agency’s chief said on Tuesday. NASA will partner with the US militar»»»

WASHINGTON: In a big development, NASA has successfully launched the third in a series of next-generation weather satellites for the National Oceanic and Atmospheric Administration (NOAA). The newest Geostationary Operational Environmental Satellite, GOES-T, was launched on a United Launch Alliance»»»