Chad Boyce inched the hunter-green johnboat along the shoreline of a Back Bay creek. A pair of spider-like arms on the vessel’s bow held wires that dipped into the water. He flipped a switch and ...

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 ...

Pharaohs, French aristocrats and wounded Revolutionary War soldiers alike have used leeches to treat all kinds of ailments. Through the centuries, the ignoble leech has been used in attempts to cure ...

A newly discovered bloodsucking, olive-green leech with three jaws and as many as 59 teeth has been found about 40 miles outside of downtown Washington. A team led by a researcher at the Smithsonian's ...

A backpacker from Scotland recently found that the cause of her frequent nosebleeds was a 3-inch-long (7.5 centimeters) leech living inside her nose. Twenty-four-year-old Daniela Liverani, of ...

European medicinal leeches were famous for their popular purpose: treatment for everything from cancer to mental illness. But the high demand left them endangered—still today. Bloodletting ...

Vampires get all the attention at this time of year, but bloodthirsty leeches, insects and birds are just as compelling — and they’re real. Leeches feeding on a homemade “blood sausage,” made from cow ...

An e-mail from a friend described a recent encounter she and her son had with leeches in the Willamette River. Leeches? In the Willamette? While many people may equate leeches with murky, tropical ...

It's active leech season, y'all. The slimy creatures are often seen the most during the dry summer months when waterbody size is reduced, which has been a trending thing in Texas due to the extreme ...

Leeches are a type of parasitic worm. Leech therapy involves applying leeches to a wound to increase circulation, improve blood flow, and promote healing. Its practice has varied over time, but it ...

The beagle patrolling Toronto Pearson International Airport was prowling for the subtle scents of contraband when an unexpected odor tickled its olfactory receptors. The source was the luggage of a ...