If there is some planet nine, or "Planet X" lurking out there ... This has led some to speculate that Planet X might be a primordial black hole, while more skeptical minds argue it must not ...

A radical hypothesis reimagines Planet Nine not as a planet but as a primordial black hole—compact, ancient, and immensely dense. Uncovering Planet Nine or a black hole would unravel cosmic ...

Often seen as destructive, supermassive black holes could help sustain life under specific conditions, scientists have found.

There are plenty of weird things floating around in space and black holes may be the weirdest. They’ve certainly sparked and stretched our imaginations.

There are "Planet Nine sceptics", said BBC Earth. Some experts believe "it isn’t even a planet, but a primordial black hole" and other astronomers are convinced that it is "simply natural bias ...

For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know ...

Planet Nine, if it exists, is estimated to be five ... making it far too dim to detect with current telescopes. The "runaway black hole": A cosmic speedsterIn a remarkable discovery in April ...

A Kansas University expert has outlined why he believes images taken by the James Webb Space Telescope provide evidence the ...

"I think that the simplest explanation of the rotating universe is the universe was born in a rotating black hole." ...