After our Sun becomes a white dwarf and cools completely, what will be left? Richard LivitskiSeal Beach, California Our Sun ...

C.E, Chinese astronomers spotted a supernova and dubbed it the "guest star." The National Science Foundation’s (NSF) Víctor M ...

Chilean astronomers have observed a cataclysmic variable known as V1425 Aql. As a result, they have found that this system ...

"This tells us that objects like white dwarfs may be able to live very close to an event horizon for a relatively extended period of time." SEE ALSO: NASA scientist viewed first Voyager images.

Twin jets erupt from a supermassive black hole in Draco, offering new insights into black hole activity and evolution.

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

Astronomers theorize that a low-mass white dwarf, a compact core of a dead star about as large as Earth, could be the culprit. A cosmic mystery surrounding a black hole some 270 million light ...

"This tells us that objects like white dwarfs may be able to live very close to an event horizon for a relatively extended period of time." Using the XMM-Newton X-ray telescope, astronomers have ...

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary research Sara Hashemi Correspondent An artist’s concept of a white dwarf ...

An artist's concept shows a stream of matter trails a white dwarf (sphere at lower right) orbiting within the innermost accretion disk surrounding a supermassive black hole. Astronomers developed this ...

The observations made using the European Space Agency's XMM-Newton orbiting X-ray telescope appear to show a white dwarf nearing the point of no return - called the event horizon - as it orbits ...