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 ...

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

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

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 ...

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

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 ...

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

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