There's a universe full of black holes out there, spinning merrily away—some fast, others more slowly. A recent survey of ...

But one trend that scientists are still working to explain fully is that ... Where are the black holes of intermediate mass? We simply don't know. However, scientists are hunting intermediate ...

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

Black holes are among the oddest objects believed ... The idea of extra dimensions grew out of string theory—which needs them to explain how the strings vibrate—but it has taken on a life ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

The discovery could explain why so many giant black holes appear so early in the universe's history. The finding about LID-568's feeding frenzy was far from the last word on early supermassive ...

Using observations from 2017 and 2018, the Event Horizon Telescope (EHT) Collaboration has advanced our understanding of the ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

A "missing link" black hole in Omega Centauri is still missing. What appeared to be an intermediate-mass black hole was a cluster of stellar-mass black holes. New research may have delivered bad ...