Astronomers have spotted an apparent supermassive black hole snacking on a star 600 million light-years away, wandering ...

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

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.

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

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

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

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

In a scene straight out of science fiction, astronomers using NASA’s Hubble Space Telescope have spotted a massive black hole ...

A star in a faraway galaxy is sending itself into a spiral of doom, repeatedly plunging through a disk of hot gas surrounding ...

In the new study, however, astronomers used the cutting-edge "Keck Planet Finder" (KPF) instrument as the W. M. Keck ...