Visible without a telescope, γ Cassiopeiae has stood out for decades because it behaves unlike an ordinary massive star. Its ...

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 ...

Watch the evolution of a jet formed by a collapsing star ("collapsar") in these simulations courtesy of Ore ...

Key points Astronomers analysed the radio and gamma-ray emission of nearly 200 extremely fast rotating pulsars.Many of these ...

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

An international group of astronomers using the James Webb Space Telescope (JWST) recorded a unique energy burst of GRB ...

There are other ways of making these mindless eating machines, as well, including smashing neutron stars together, letting ...

Scientists can’t be everywhere all at once, as much as they’d like to. Many of the problems citizen science helps solve are ...

Looking at images of the sky taken before the first satellite was launched, one team believes they may have found objects ...

NASA's SLS moon rocket casts a striking silhouette against the rising sun ahead of the agency's Artemis 2 mission, currently ...

If we figure out how to harness this effectively and efficiently, this is it. This is the end. This is the solution,” an ...

A galaxy is a massive, gravitationally bound system. It contains stars, stellar remnants, interstellar gas and dust, and a ...