Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Astronomers tracked a decade of dramatic changes in P13, a neutron star undergoing supercritical accretion. Its X-ray ...

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

Astronomers have produced the first continuous, two-dimensional maps of the outer edge of the sun's atmosphere, a shifting, ...

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

Neutron star NGC 7793 P13’s decade-long monitoring shows huge X-ray and spin changes, providing clues to supercritical ...

Astronomers using the Chandra X-ray Observatory and other telescopes "have determined that a giant black hole has destroyed a ...

Researchers investigated GRB 250702B and found that it was possibly a jet produced by a blast 8 billion light-years away from ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...