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 ...

Rare footage of animals like this can help people better understand how much life exists in places we still know very little ...

Add Yahoo as a preferred source to see more of our stories on Google. Imagine being a sailor crossing the Indian Ocean 400-years ago and suddenly witnessing a vast area of glowing ocean water as far ...

Headed to the coast soon? There still may be time to see bioluminescence in the ocean, bright blue lights emitted by ocean organisms undergoing chemical reactions. The phenomenon occurs in Noctiluca ...

We can't point and shout with excitement as a bioluminescent plankton breaches or blows a moist puff of air like a whale ...

MBARI researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Bathydevius caudactylus swims through the ocean's midnight zone with a large gelatinous hood and ...

In the darkest corners of the planet, where the light of the Sun never touches, eerie glows can yet be found, illuminating the shadows. This is bioluminescence, a remarkable ability that has evolved, ...

Add Yahoo as a preferred source to see more of our stories on Google. “Milky seas” are an ocean phenomenon that cause a vast area of the ocean to glow. Scientists are trying to predict when the events ...

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 ...