After initial positioning by ground control, the satellite duo’s autonomous system of cameras, LEDs, and laser rangefinders ...

New 3D-printable models of Chandra X-ray Observatory images will allow you to hold a star in your hands and touch a supernova ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.

Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other missions.

Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.