The oldest leech ever discovered has turned out to be a shape shifter of expectations, preserving a body plan that looks ...

They bite, slither, and slide — and they save fingers and lives. While the sight of a wriggling, blood-sucking leech may make many people feel queasy, the spineless worms can also help people feel ...

Scientists have uncovered video evidence that at least one species of terrestrial leech can jump. This behavior has been debated for over 100 years, and can now be put to rest following research by ...

Did you know that leeches - the parasitic worms belonging to the Hirudinea subclass, have been used in medicine to treat nervous system anomalies, dental difficulties, skin illnesses, and infections ...

Patna: Once dismissed as a relic of medieval medicine, leech therapy is crawling back into Bihar’s healing scene. What was ...

A 437-million-year-old fossil from a deposit in Wisconsin could be the oldest species of leech ever found. By Jack Tamisiea If you look around Waukesha County in Wisconsin today, it can be difficult ...

Here’s a worm that will make you squirm. Doctors in Cambodia recently removed a leech that, in wince-worthy fashion, had entered an elderly man’s penis while he was swimming and drank a full pint of ...

With an olive-green body encasing three jaws, each lined with more than 50 teeth, it looks like a cigarette-sized relative of the skin-crawling creature from the Alien films. Actually, it's far less ...

A 430-million-year-old fossil reveals that the first leeches were ocean predators, not bloodsuckers. The discovery radically shifts the timeline of leech evolution by more than 200 million years.