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 ...

Far beneath the waves, animals evolve in strange and surprising ways, often becoming much larger than their shallow-water ...

The ocean is an intriguing and mysterious place. For every new species of sea creature we find, there are an untold number of others waiting to be discovered. But it isn't just sea life that has kept ...

For those interested in paranormal investigations, measuring infrasound can be an essential tool for separating the eerie from the explicable. Poltergeist activity, such as objects moving on their own ...

Have you ever wondered what secrets lie hidden in the deepest, darkest parts of the ocean? There's so much we don't know about the mysterious creatures and strange phenomena lurking down there. If you ...

Be it cryptids or unexplained lights in the sky, paranormal sightings in Pennsylvania are nothing new. But some have reason to believe the two are linked. And for one intense period, sightings of both ...

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 ...