The researchers estimated that the white dwarf is orbiting the black hole at about 5% the distance that separates Earth from the sun, or a bit under 5 million miles (8 million km). They said its ...

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 ... The black hole in question is 1ES 1927+654, located around 270 million light-years from Earth, with a mass around 1.4 billion times that ...

The dense stellar remnant would, if confirmed, be the closest known object to any black hole ... pulsing is a white dwarf—a dense stellar remnant about the size of the Earth—that’s teetering ...

"This would be the closest thing we know of around any black hole," Megan Masterson, a physicist at MIT who co-led the research, said in a statement. "This tells us that objects like white dwarfs ...

What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth.

WASHINGTON (Reuters) - Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually increasing in frequency that seem to be coming ...

Located about 100 million light-years away, this particular black hole has a mass that is equivalent to roughly one million Suns. Initially, in 2018, researchers witnessed a striking event when the ...

It houses a central black hole estimated to be around 1.4 million ... The best candidate for a resilient companion is a white dwarf – a stellar remnant about the size of Earth. In this artist’s ...