Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an ...

The strange sight is actually two galaxies, with the light of the second warped around the one at the front as a result of ...

Could supernovas have triggered ancient mass extinctions on Earth? New research explores how cosmic explosions may have ...

NGC 4536 is a starburst galaxy with rapid star formation due to gas compression. Its bar-like structure channels gas toward ...