You may have seen a string of lights in the night sky overnight, but what are these lights and why are they in a straight ...

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

Prepare to get schooled If you have kids in school, or even if you don’t, you’ve probably realized that there’s a lot about ...

Get up to speed on gamma rays, the radiation responsible for creating the Red Hulk in Captain America: Brave New World.