The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, ...

The instrument, called the Prime Focus Spectrograph (PFS), features approximately 2,400 prisms scattered across the extremely wide field of view available at the Subaru Telescope’s primary focus, ...

NASA's Roman Space Telescope is preparing for launch in 2027, with a mission to study distant galaxies and explore dark energy.

Chile's Atacama Desert is home to some of the best Earth-based observatories, though an energy company is throwing a wrench ...

The powerful, Tucson-born infrared eyes of the James Webb Space Telescope have notched another record for long-range viewing: ...

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

NASA’s James Webb Space Telescope (JWST) has been hit by a micrometeoroid, which has damaged one of the 18 beryllium-gold segments that makes up its main 6.5-meter mirror. It happened between ...

Japan’s National Astronomical Observatory operates the Subaru 8.2-meter optical-infrared telescope in Hawaii. It will become possible for Japanese scientists to cover the universe with the ...