In fact, a startling spiral light appeared within the northern lights ... the location they need to travel to in order to release their payloads, and more. They're also extremely hard to predict ...

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

This NASA/ESA Hubble Space Telescope image of a vibrant spiral galaxy called NGC 5042 resides about 48 million light-years ...

For over a century, astronomers have marveled at the beauty and complexity of spiral galaxies, which feature arms covered in ...

"Starburst galaxies birth lots of hot blue stars that burn fast and die quickly in explosions that unleash intense ...