In a groundbreaking discovery, NASA's Pleiades supercomputer has revealed an unexpected spiral structure within the inner ...

A supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...

Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our ...

Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

Earth may have cooled during a close encounter with dense star clouds. Interstellar dust from the Orion region might have ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

A major discovery on the outskirts of Andromeda is shaking up our understanding of galactic evolution. Astronomers have found the dimmest and smallest satellite galaxy yet—Andromeda XXXV—forcing them ...

At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...