Leeches might seem like relics of a bygone age of medicine, but they haven’t outlived their usefulness to people yet. The freshwater leech Helobdella austinensis can eat its weight in snails every day ...

WALKER, Minn. — Minnesota's third-largest lake has a namesake only an angler could love: the leech. Earthworm's ugly aquatic cousin. Those slimy, crawly creatures straight out of a horror film. But ...

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

Leeches suck. Most people try to avoid them. But in the summer of 2016, park rangers in China’s Ailaoshan Nature Reserve went hunting for the little blood gluttons. For months, the rangers searched ...

Combining, among other things, suction cups and shower hoses, robotics researchers have created a flexible-bodied wall-climbing robot said to be inspired by one of nature's congenital suckers: the ...

THIS stomach-churning video shows the moment doctors removed a live leech from a woman’s nose after she hosted it for months without realising. The patient, surnamed Fang, 49, finally sought out ear, ...