Supermassive black holes literally don’t add up. Astrophysicists know it takes more time than is mathematically possible for ...

According to models, as supermassive black holes orbit each other, they transfer their orbital energy to the stars and gas ...

Where is the closest black hole to Earth? Well, they're pretty hard to find, so the record-holder keeps getting updated.

From blood-red lakes to blacked-out islands, some of these Google Earth discoveries have mystified scientists-while others ...

Could a black hole on Earth ever exist? What would happen if it did? Join Hank Green for a fascinating video about the Large Hadron Collider; learn what it is, what it does, and how it relates to ...

New research describes an unexpected double jet in a distant galaxy, revealing a pair of supermassive black holes on the ...

Learn how shifting jets in galaxy Mrk 501 exposed a pair of orbiting supermassive black holes nearing collision.

The JWST has detected more active black holes than expected, casting doubt on their prevalence in the early universe.

A bizarre, record-breaking neutrino detected in 2023 may have originated from an exploding primordial black hole—a relic from ...

LOFAR radio sky survey map of the universe reveals colossal collisions, strange stars, and cosmic signals never before seen ...

An underwater observatory recently detected a startlingly energetic cosmic neutrino. One possible cause involves a phenomenon ...

In 1916, only a year after Albert Einstein had published his general theory of relativity, Karl Schwarzschild used ...