White holes are functionally understood as the exact opposite of black holes. If the latter is a plughole, the former is a ...

The white monster might show up anywhere in the cosmos, so we'll have to wait 100 quatrillion years. White holes, reversed black holes in nature.

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 ...

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. — Reuters WASHINGTON ...

The supermassive black hole at the center of the Milky Way, called Sagittarius A*, is about four times more massive than this one. White dwarfs are among the most compact objects in the cosmos ...

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

Rapid X-ray oscillations detected near the innermost orbit of a supermassive black hole could indicate the presence of a nearby orbiter such as a white dwarf ...