In 2023, astronomers detected a huge collision. Two unprecedentedly massive black holes had crashed an estimated 7 billion light-years away. The enormous masses and extreme spins of the black holes ...

Scientists say they detected the largest-ever merger of two black holes, forming one that is 225 times the mass of the sun, adding that the new discovery "pushes the limits of" how astronomers ...

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On November 12, 2025, three gravitational-wave detectors on two continents caught a ripple in spacetime. This event did not ...

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

Sometime in November 2025, the three most sensitive gravitational-wave detectors on Earth picked up a faint ripple in ...

A blazing supermassive black hole can influence far more than its own galaxy. Scientists found that quasars emit radiation strong enough to shut down star formation in nearby galaxies millions of ...

What just happened? Astronomers have identified what may be the largest black hole ever discovered – one with a mass 36 billion times that of our Sun. Located at the center of the Cosmic Horseshoe ...

Astronomers have detected a supermassive black hole flare thought to be the brightest and most distant discovered yet. Credit: Caltech / R. Hurt illustration A supermassive black hole tearing apart a ...