She’s a different kind of blood donor. Think your pet leeches off of you? An Oregon woman sent shudders across social media after revealing that she keeps leeches as pets — and even lets them suck her ...

Scientists have identified mammals present at sites in Asia by examining the DNA in the blood sucked by leeches. They found that the nearly 750 Haemadipsa (blood-sucking) leeches stored the DNA of a ...

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 ...

Udelnaya is a sleepy town southeast of Moscow, full of muddy roads lined with brightly painted wooden houses. Behind a frozen stream there is one large brick building that looks a little out of place.

Their tissue decomposes almost immediately, and their boneless bodies rarely fossilize. But a geological formation in Wisconsin preserved a leech fossil for 437 million years, a new study finds. It’s ...

A viral video of a leech slithering across a hospital floor and leaving behind a trail of blood in its path has stunned the internet. The video was posted to TikTok on October 21 by Kaci Jane Hansen ( ...

You might think you know leeches: Go for a swim in the wrong shallow lake, and you’ll emerge covered in sleek black bloodsuckers that have decided you’re their next meal. But inside a leech, ...