Astronomers have identified mysterious 'UFO galaxies'—red, glowing, disc-shaped objects emerging in the vast darkness of ...

But Hubble had completely missed them because these galaxies emit very little visible light. The new study relies on ...

Astronomers heading the search for extraterrestrial intelligence predict their quest might first spark an encounter with ...

"Maybe we didn't understand the universe as well as we thought," said astrophysicist Justus Gibson of CU Boulder.