Doctors took a look inside his nose and saw signs of blood. When they broke out the nasal endoscope, they saw the source of ...

Leeches are some of the most hated creatures in the world, even though most people rarely (if ever) see one. We even use the word as an insult. A leech is a parasite, someone who lives only to suck ...

A newly described fossil reveals that leeches are at least 200 million years older than scientists previously thought, and that their earliest ancestors may have feasted not on blood, but on smaller ...

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 ...

A conservation project working to restore Scotland’s population of the extremely rare medicinal leech has celebrated its most ...

You’ve seen them in horror films and history books, but leeches never really went away. In operating rooms today, surgeons ...