Biologist Jon Allen is the proud owner of the world's oldest ribbon worm on record. The adopted invertebrate is fondly called Baseodiscus the Eldest, and he is at least 26 years old, probably around ...

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 ...

Guinea worm is about as close to a real-life Alien event as you can get — a parasitic worm mates inside a person's abdomen, grows up to 3 feet long and then exits (painfully) from a blister. But the ...

Add Yahoo as a preferred source to see more of our stories on Google. This Insanely Long Ribbon Worm Turns Out to Be The Oldest on Record Biologist Jon Allen is the proud owner of the world's oldest ...

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 ...