Astronomers had long suspected that certain quasars—those brilliant, otherworldly light sources fueled by supermassive black ...

Simply put, a black hole is a region of space-time where gravity is so strong that nothing can escape from it. This includes light, which travels at the cosmic speed limit of 186,000 miles per second.

Small and unassuming, Segue 1 is a nearby dwarf galaxy containing only a handful of stars—too few to provide the gravity ...

UCLA astronomers report the discovery of a remarkable star that orbits the enormous black hole at the center of the Milky Way Galaxy in a blistering 11.5 years — the shortest known orbit of any star ...

An international team of astronomers has discovered the first tidal disruption event (TDE) producing bright radio emission ...

A new study may visually solve an enduring mystery about a bright object that's been studied since the 19th century ...

NEW YORK -- A star was shredded apart by a black hole and a scientist's keen observation set off a chain of events that allowed the phenomenon to be captured on several different satellite cameras.

A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of object in the Universe.

Two Thai astronomers have helped discover a new black widow pulsar designated PSR J1544–2555, contributing to international ...

First-ever image of two black holes captured orbiting each other, confirming a decades-old theory using a powerful radio ...