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

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

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

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

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

Astronomers have spotted something that appears to stretch around ten billion light years across. This so-called ...

Astronomers have made a fascinating discovery in the Ursa Major constellation that could potentially challenge our ...

The dark nebula is part of the Circinus West molecular cloud, which stretches for 180 light-years, containing a mass 250,000 ...

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

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

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...