Leech bites are often misunderstood. These myths spread fear and misinformation. Here are some myths you must know about ...

A 430-million-year-old fossil has rewritten leech history, showing they are at least 200 million years older than previously believed. Unlike today’s bloodsucking leeches, their ancient ancestors ...

The fossil reveals both similarities and striking differences when compared with modern leeches. It features a large tail sucker, a characteristic still seen today, along with a segmented, ...

The Wisconsin site is famed for its preservation of ancient soft-bodied organisms like leeches—leading Kenneth Gass, a paleontologist at the Milwaukee Public Museum not involved with the study, to ...