Meet the leech, the misunderstood hero of aquatic ecosystems all over the world, who does not always suck blood!

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

The Cambrian is rightly famous for being the period when animal life first exploded into a dizzying diversity of forms, including some body plans that remain with us today. But the first animals in ...

This news release is available in German. If your favourite pub moves - would you move too or look for another pub? For bacteria living in symbiosis with marine worms it all depends on whether they ...

The lessons invertebrate zoologist Karen Osborn learns from the tiny worms may have robotic implications Megan Kalomiris Cirratulidae polychaete worms are covered in tangled strands of external gills.

Tiny, feisty worms that live off the coast of Japan fight by headbutting each other — and they aren't quiet about it. During these feuds, the worms emit one of the loudest sounds in the ocean, ...

Anna Skinner is a Newsweek senior reporter based in Indianapolis. Her focus is reporting on the climate, environment and weather but she also reports on other topics for the National News Team. She ...