Active galaxy 1ES 1927+654, circled, has exhibited extraordinary changes since 2018, when a major outburst occurred in visible, ultraviolet, and X-ray light. The galaxy harbors a central black hole ...

A large international team of scientists has observed a phenomenon that astronomers didn't ever expect to see happen in real ...

Astronomers have observed strange behaviors in a distant black hole. Plasma jets are moving fast, and X-ray flashes are ...

Astronomers detected X-ray flashes from the black hole that increased in frequency from one every 18 minutes to one every seven minutes.

According to the research shared at the 245th meeting of the American Astronomical Society in National Harbor, Maryland, the ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

As a result of significant financial losses incurred in 2004, UK profile manufacturer Premier Profiles (GB-Warmsworth, Doncaster DN4 9LS; www.premierprofiles.co.uk) is planning to close its plant with ...