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

Explore the breathtaking beauty of the cosmos with seven incredible images of star clusters and galaxies captured by NASA.

According to NASA, "there are hundreds of them"—massive black holes roaming space. It is now emerging and reshaping the ...

Astronomers have released the most comprehensive photograph of the Andromeda galaxy, which contains over 200 million stars.

NASA’s recent Image of the Day was the outer regions of the Tarantula Nebula, which is billed as one of the biggest and ...

This NASA/ESA Hubble Space Telescope image features a spiral galaxy, named UGC 10043. This NASA/ESA Hubble Space Telescope ...

To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

The Hubble image shows a portion of the Tarantula Nebula, which NASA says is “the largest and most productive star-forming ...

James Webb notices three tiny dots, but NASA cannot explain them. These dots are red and scientists have discovered more ...