A mysterious cluster of 60 stars may be just another Milky Way star cluster, or it may be one of the smallest galaxies ever ...

Using the National Radio Astronomy Observatory's Very Large Array, astronomers have revealed for the first time the huge flow ...

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have listened to the music of a nearby star, uncovering ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

Astronomers have spotted the largest structure in the universe, a 10 billion year spanning structure that is a total mystery.

Despite weighing about a million times the mass of our sun, the black hole wasn't found at the center of its host galaxy, ...

Researchers discovered Eos, a molecular cloud, using ultraviolet light. It is near Earth and lacks carbon monoxide. This ...

Every time this doomed star plunges through a supermassive black hole's accretion disk, it loses orbital energy and triggers ...

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from ...