Learn how astronomers found the invisible ionized gas that forms puffy halos surrounding galaxies.

Dr. Richard Lieu, a physics professor at The University of Alabama in Huntsville (UAH), a part of The University of Alabama ...

The galaxy is 13.4 billion light-years away, meaning it formed in the early days of the universe. Astronomers believe the big bang created the universe 13.8 billion years ago. The unusually large ...

Mayall 4-meter Telescope at Kitt Peak National Observatory, continues to build the largest 3D map of the universe ever created. By the time DESI completes its five-year mission next year ...

Ian Randall is Newsweek's Deputy Science Editor, based in Royston, U.K. His focus is reporting on science and health. He has covered archeology, geology, and physics extensively. Ian joined ...

A telescope in Chile has spent years working on by far the most precise map of the earliest visible universe. It now reveals a lot about the cosmos. An international research group has created the ...

The new Epic Universe in Florida marks the first new major theme park in the United States in nearly a quarter century, lives ...