Across the sky, more than 100 stellar-mass black holes are hidden within a large cluster of stars. The star cluster is named Palomar 5, and it stretches out over 30,000 light-years. It is located ...

New research may have delivered bad news for scientists who thought they had discovered a "missing link" black hole in a ...

Trypophobia is the fear of clusters of small circular holes or bumps ... such as circular rash marks on a chest or smallpox scars on a hand. (Feeling queasy yet?) The other eight pictures showed ...

Comparison of traditional velocity dispersion and pulsar timing methods (left) versus the HiVel ejection from globular clusters method ... intermediate-mass black holes (IMBHs).

The Perseus and Centaurus Clusters showed clear signs of cold gas filaments condensing and flowing back into the black hole’s gravitational pull. Some of the cooled gas avoids the black hole and ...