Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot.

The system — known as UPM J1040−3551 AabBab — consists of a pair of cold brown dwarfs orbiting a pair of young red dwarf ...

Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold hydrogen, new research reveals.

Astronomers have discovered a giant Saturn-sized planet orbiting TOI-6894, the smallest star ever known to host such a world.

A groundbreaking study published in Astronomy & Astrophysics has revealed that the supermassive black hole at the center of the Milky Way, Sagittarius A*, is spinning at nearly maximum speed and ...

Astronomers identified what they believed was a lone brown dwarf orbiting a bright single star. Then they looked more closely.

Massive stars like these are also key players in the cosmic drama of gravitational waves, the ripples in space-time first ...

Chinese scientists have, for the first time worldwide, made an important astronomical discovery in stellar observation, which ...

The Milky Way started out small and grew in size as it merged with other galaxies, gaining stars as well as hydrogen to form more stars. Each galaxy has hydrogen gas that aids in the birth of stars.

New measurements of the galaxy at the heart of the “Cosmic Horseshoe” indicate that it could house the most massive object ever seen in the universe.