Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For over 400 years ...

Add Yahoo as a preferred source to see more of our stories on Google. Sky events have always caught our attention. They can be beautiful, mysterious, and sometimes downright eerie. While most of us ...

(CNN) — For over 400 years, sailors have reported a mysterious phenomenon in which the ocean appears to glow as far as the eye can see. “The sea from horizon to horizon in all directions took on a ...

For over 400 years, sailors have reported a mysterious phenomenon in which the ocean appears to glow as far as the eye can see.Related video above: Check out this amazing video of a kayaker paddling ...