Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

JWST spots a mature early-universe spiral as CERN reveals how light nuclei form in extreme collisions, challenging core ...

NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

The 3I/ATLAS interstellar object, which a number of scientists consider to be potentially technological and likely to pose a ...

A cosmic explosion unlike any seen before has prompted astronomers to rethink long-standing ideas about the universe’s most ...

The longest gamma-ray burst ever observed has UNC Chapel Hill astronomers questioning the very nature of these cosmic ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...