Italian astronomers announced the detection of the most distant ultra-fast outflow ever observed in a quasar not magnified by a gravitational lens — a pair of hurricane-force gas streams racing away ...

Astronomers have discovered S301, the swiftest S-star in orbit around the Milky Way’s supermassive black hole, known as Sagittarius A*. This Sun-like star completes an orbit every 8.7 years and ...