The National Science Foundation’s Daniel K. Inouye telescope debuted a close-up of the sun captured by its new, ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

X-ray: NASA/SAO/CXC; Optical: John Stone (Astrobin); Image Processing: NASA/SAO/CXC/L. Frattre, N. Wolk ...

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

The Hubble Space Telescope is celebrating its 35th anniversary in space today, but even as a senior citizen in the spacecraft ...

New three-dimensional (3D) models of objects in space have been released by NASA's Chandra X-ray Observatory. These 3D models ...

NASA’s Hubble Space Telescope spotted a rogue magnetar ... Researchers noted different nulling fractions and microstr... NASA’s Chandra X-ray Observatory has unveiled mysterious "knots ...

It provides a consistent interface to the downloading and cleaning processes of each telescope, allowing the user to easily create multi-mission X-ray archives, allowing for the community to make ...

That changed in December 2019 when its optical brightness ... NASA’s NICER telescope aboard the International Space Station, and the Chandra X-ray Observatory. With help from these instruments ...

The flares were monitored using instruments from multiple agencies, including ESA’s XMM-Newton, NASA’s Chandra and NICER missions, as well as historical data from the eROSITA telescope. Scientists ...

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.