Astronomers have traced a mysterious blast of X-rays to a star that, like a cosmic action hero, just refused to die.

When white dwarfs—the hot remnants of stars like our sun—are orbited closely by another star, they sometimes steal mass away ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can ...

The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...

The third object known to have entered the Solar System from interstellar space has an origin unlike either of its ...

Using NuSTAR and XMM-Newton satellites, astronomers from New York University (NYU) Abu Dhabi have observed a pulsar known as ...

Astronomers are not yet sure whether Rana's footage shows a legitimate impact, or just a glitch in his equipment, and in ...

New research is shedding light on what researchers call "lite" intermediate-mass black holes, which are smaller, but still ...

A close-in exoplanet is triggering stellar flares and self-destructing. This is the first direct evidence of planet-star ...

"This tangible evidence of a double detonation not only contributes towards solving a long-standing mystery, but also offers ...

Scientists found low-density amorphous ice in space isn’t fully random - it hides tiny crystals, reshaping our understanding ...