This artist’s impression shows the orbits of the objects in the HR 6819 triple system. This system is made up of an inner binary with one star (orbit in blue) and a newly discovered black hole (orbit ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Meet your new but shy galactic neighbor: A ...

WASHINGTON (Reuters) - Astronomers have spotted the closest black hole to Earth ever discovered and are surprised about its living arrangements - residing harmoniously with two stars in a remarkable ...

Supermassive black holes at the centers of galaxies are one of the most active fields of research in astronomy. In order to accumulate their enormous masses, they must merge with each other. A ...

Astronomers have discovered the closest black hole to Earth. It's so close that its sister stars can be seen with the naked eye. Wednesday's announcement backs up the theory that there are lots of ...

Meet your new but shy galactic neighbor: A black hole left over from the death of a fleeting young star. European astronomers have found the closest black hole to Earth yet, so near that the two stars ...