Each year Jon Allen, an associate professor of marine biology at William & Mary, gingerly removes the anemones and brittle ...

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 analyzed ...

There’s an invasive species of worm making itself known in Texas once again—the hammerhead flatworm. These worms are toxic, hard to kill, and dangerous to native critters like earthworms, but likely ...

An invasive species of worm is making its home in Texas once more. The hammerhead flatworm is an extremely toxic worm that is hard to kill and has proven extremely dangerous to native earthworms in ...

A slimy, carnivorous, toxic, immortal worm sounds like something from a science fiction movie, or out of your nightmares, but it is real. Don't worry though the hammerhead worm is more hype than harm.

Scientists want to understand how the worms survived in extreme conditions for extraordinarily long periods of time. At a time when the mighty woolly mammoth roamed the Earth, some 46,000 years ago, a ...

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 ...