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 ...

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

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

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

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 ...

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

Saturn is a big planet and even though it's getting hit with space debris every day, we've never captured it on camera, but ...

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

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

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