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 ...

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

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

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

Astronomers identified Krypton’s likely location 42 light-years from Earth. Here’s how long Superman’s journey would take, ...

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

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

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

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

Unlike rocky planets where asteroid impacts leave visible craters, gas giants like Saturn have outer layers of hydrogen and ...

Astronomers have finally caught a dying star in space going out with a bang — and then another bang. The new photographic ...