Meet the leech, the misunderstood hero of aquatic ecosystems all over the world, who does not always suck blood!

For the first time in 40 years, scientists have discovered a new species of medicinal leech in North America in a Maryland swamp. A team of researchers made the discovery in 2015 and published their ...

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 ...

OCALA, Fla. — With summer closing in and outdoor activities on the rise, the risk of being attacked by “bloodsuckers” increases for humans. Visitors to the exhibit can explore their characteristics, ...

This leech has a scary appetite. But it might be essential to its ecosystem. The largest terrestrial leech in the South, Haemopis septagon, has terrifying eating habits. Yet, its presence in pristine ...