We pass by extraordinary wonders every single day without realizing it. This is a fact well known to Richard Hasegawa, a ...

Leeches are famous for drinking blood – and being used in medicine. But can these slippery little vampires ever be deadly?

It has been a big year for leeches. A new species was discovered near Washington and announced in August by Anna Phillips, who may have the world’s best job title: curator of parasitic worms at the ...

The medium-sized leech can move in an S-shape to swim and crawl like an inchworm on dry land, researchers said. Photo by 杨 震 via Unsplash For months, researchers returned to a single cave in southern ...

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 ...

There has long been anecdotal evidence of the wormy creatures taking to the air, but videos recorded in Madagascar at last prove the animals’ acrobatics. By Veronique Greenwood Veronique Greenwood ...