The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

While scientists promote open cooperation in studying the rare visitor, intelligence agencies in both Washington and Beijing ...

Data from NASA’s Chandra X-ray Observatory and NASA’s James Webb Space Telescope combine to reveal an otherworldly view of ...

NASA's Hubble Space Telescope explores the evolution of spiral galaxy UGC 10043 through images taken 23 years apart, in 2000 ...