Acorn worms live in burrows on the seafloor so you’re not likely to ever see one. But you may see their absolutely enormous piles of poop. Snorkelers and divers have noted them for years and Nat Geo ...

Strange critters have been found living in the waters of Utah's Great Salt Lake. There have been suspicions that roundworms, also known as nematodes, were living in the lake for a while, but none have ...