They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

A local woman claims she was drinking an iced tea from a Pittsburgh-area McDonald’s when a worm ended up in her mouth. KDKA Radio’s Marty Griffin says the woman went through an unidentified McDonald’s ...

In a bizarre twist, the stem cells around the injury site may actually form into a new tail, leaving a worm with two tails and no head. Lacking a mouth or brain, it can survive for a short time by ...