The Milky Way can be seen as something of a bully, having devoured many smaller galaxies to achieve its vast mass, and ...

The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

Researchers using the Event Horizon Telescope have significantly advanced our understanding of the supermassive black hole at ...

It's the perfect time to catch up on some of the great reporting and stories the Mercury churned out this week! (PRO TIP: If ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

When it comes to the public’s ability—and that of policymakers—to know whether Arizona’s program, or the schools and other ...

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

Jets from black holes trigger cooling in the hot gas, causing it to condense into warm filaments. These filaments then flow toward the black hole, feeding it, and the cycle repeats. Brightness ...

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The Hubble Telescope captured a supermassive black hole creating expanding gas bubbles in the galaxy ... The galaxy in front creates four nearly equal images of the distant quasar. NGC 1275, or ...

Using observations from 2017 and 2018, the Event Horizon Telescope (EHT) Collaboration has advanced our understanding of the supermassive black hole at the center of Messier 87 (M87*). This study ...

A black hole is a region in space where gravity is so strong that nothing, not even light, can escape, formed from collapsed massive stars. Black holes form when massive stars collapse under their ...