New observations from the Hubble Space Telescope have revealed surprising activity inside the Andromeda galaxy. The data ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery. Many years ago, scientists saw a dense, bright spot near a ...

Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. ...

Scientists analyzed more than 100 million image cutouts from a Hubble Space Telescope archive and found hundreds of ...