I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

MUSE survey, an international team of astronomers has inspected a nuclear star cluster of the nearby large spiral galaxy ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

The universe is expanding at an accelerating rate, but cosmologists can't seem to agree on exactly how fast.

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those galaxies, and the discovery is thanks to an artificial intelligence tool that was ...

Gamma-ray bursts (GRB) are some of the most perplexing phenomena in nature. Even though astronomers have detected about ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

In a new study published in The Astrophysical Journal, a group of researchers from the University of Colorado Boulder ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...