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

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

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

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

Dark matter makes up 85% of the universe, but researchers, including Vera Rubin herself, historically have had a hard time ...

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

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

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in ...

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

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

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

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