The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever ...

In a baffling cosmic mystery, astronomers have reported a star that appeared to vanish without a trace. One night it was there, shining bright—and the next, it was gone. No explosion, no fading, no ...

Most people know that black holes are kind of scary. Admittedly, that's true, but black holes are so much more than that.

A team of astronomers at the Space Telescope Science Institute, working with one colleague from the University of St Andrews' ...

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

Q: If the gravity of a black hole is so strong that nothing can escape from it, not even light, how has the Hubble Space Telescope recorded images of gas jets ejected from black holes?

PORTLAND, Ore. (KATU) — 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, even in popular ...