Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A species of marine ...

But in recent years, scientists have found the zombie worms (genus Osedax) are missing in action off the coast of British ...

Zombie worms have vanished from Pacific whale bones off British Columbia. Scientists link this mystery to low oxygen and warn ...

When a whale dies and sinks, it’s not a tragedy for the ocean — it’s a miracle. These “whale falls” become organic skyscrapers, sparking a frantic gold rush in the deep sea. Typically, a clean-up crew ...

They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out. A laboratory image of Chaetopterus pugaporcinus, aka the "pigbutt worm," an ...

(CNN) — A species of marine worm that scientists lost sight of for almost 70 years has finally resurfaced, thanks to some eagle-eyed sleuthing and a seahorse less than an inch long. When researchers ...