The oldest leech ever discovered has turned out to be a shape shifter of expectations, preserving a body plan that looks nothing like the streamlined bloodsuckers that haunt horror movies and hospital ...

Phillips discovered the new leech species in the field, then found specimens in her museum's collections dating back to 1937. If biologists had discovered the "medicinal" leech Macrobdella mimicus 200 ...

Most people find leeches repulsive. But an up-close look reveals they are fascinating – and surprisingly beautiful – little creatures. Here are five surprising facts about leeches and the people who ...

Millions of slimy leeches swim all around us — in our lakes and our bays — and some of the biggest ones are in our oceans. But before you vow never to set foot in the water again, rest assured that ...