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 ...

Around seven asteroids or comets are thought to hit Saturn ever year, but we have never spotted one in the act. Now, it seems ...

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

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 ...

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

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 ...

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

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