Aug 9, 2021 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory and Neil Gehrels Swift Observatory have detected a set of eight X-ray rings around a low-mass black...

Nov 10, 2017 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has observed an extremely rare cosmic phenomenon, called a ‘light echo,’ in Messier 82, a star-forming galaxy located...