Astronomers have spotted a bizarre cosmic explosion that refuses to play by the rules—and it’s leaving scientists scrambling for answers. GRB 250702B, detected by NASA’s James Webb Space Telescope and ...

In November 2024, gravitational-wave detectors recorded the violent merger of two black holes billions ...

An illustration of two stellar-mass black holes merging in the accretion disk of an active galactic nucleus. (Shu-Rui Zhang) ...

'We found a much stronger signal, and in a different part of the sky, than the one we were looking for.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The Sun emits light spanning a wide range of energies, from infrared through visible light and up to ultraviolet. It was previously predicted that the Sun could produce gamma rays – electromagnetic ...

Why would one of the night sky’s best-known stars shine in X-rays far beyond what a massive star should produce? Gamma ...

Gavin Rowell receives funding from the Australian Research Council to support the Cherenkov Telescope Array. Long gone are the days when astronomers only studied the skies with simple optical ...

An astounding gamma-ray burst, dubbed GRB 221009A, continues to amaze even though it has been more than a year since it was detected. Scientists from Italy have recently published a study that shows ...