The tiny pebbles left over from a star's formation fed the growth of one of the strangest, wildest worlds humanity has ever ...

This image of massive galaxy cluster MACS J0416.1-2403 was part of the Hubble Space Telescope's Frontier Fields project, which combined the power of natural "gravitational lenses" in space.  The ...

The Chandra X-ray Observatory view of galaxy group NGC 4839 has revealed that it is "plunging into the Coma galaxy cluster ...

Take a tour of the Hydra I galaxy cluster. A galaxy in the region, NGC 3312, is "losing cold gas as it moves through the hot ...

Either we are uncovering something entirely new, or we’re seeing a known type of object emitting radio and X-ray waves in a ...

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

Located in the Central Molecular Zone (CMZ), these filaments could be a part of a cyclical process in one of the galaxy’s ...

A galactic pileup 94 million light-years away is giving astronomers a detailed look at how cosmic collisions shape the universe.

Harvard astronomer Avi Loeb discusses the hypothetical use of highly energetic events as a way to produce "gravitational-wave ...

Possession of nitrous oxide was criminalised in the UK in 2023 after misuse among young people increased during the pandemic.

One galaxy uses a quasar like a cosmic weapon, blasting its opponent and halting star formation—an epic deep-space duel seen ...