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

Ursa Major III was considered a dark matter galaxy, but was found to be a compact star cluster with a dense core of black ...

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

With cardboard caps on their heads, dung beetles rolling their balls showed how they find their way using the Milky Way.

Two of the objects in the arrangement are cold brown dwarfs, which will serve as a benchmark for others throughout the Milky ...

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

Theoretically, there's no limit to how massive a black hole could grow. In practical terms, other constraints, such as the ...

Astronomers have located a rare exoplanet on the edge of the Milky Way. The exoplanet, a gas giant named AT2021uey b, orbits a low-mass star and is located about 3,200 light-years away from Earth ...

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

This discovery helps answer a long-standing mystery about how galaxies, like our own Milky Way, were born. Seeing Back 10 Billion Years ...