The Mysterious Glow of a Black Hole’s Corona. If you’ve ever witnessed a solar eclipse, you might recall the Sun’s corona — ...

A distant cluster of galaxies is wrapped in a vast halo of high-energy particles that could be the work of supermassive black ...

Scientists have been left baffled after spotting a lone black hole drifting through the Milky Way, without any orbiting stars. Although this black hole is seven times more massive than our sun, it ...

Relativistic jets are so named because the material in them travels at nearly the speed of light. A minor obstacle won't deflect the jet, but C4 splits it into two 700-light-year-long arms ...

Despite making up most of the matter in the universe, dark matter doesn't interact with light. So how do astronomers know it is there?

After these calculations, the team found black holes of 10 solar masses could comprise at most 1.2% of dark matter, smaller 100 solar mass black holes could account for no more than 3.0% of dark ...

A 15-year search reveals the first evidence of a cosmic 'gravitational wave background' emitted by ancient, colliding black holes. When you purchase through links on our site, we may earn an ...