The greatest parasite of the modern age is no blood-sucking invertebrate. It is sleek, glass-fronted and addictive by design.

A new study reveals that eating raw freshwater fish could expose you to dangerous parasitic worms that are spreading across ...

Scientists captured nematodes that stack themselves into a wriggling, vertical tower for the first time. Watch the tiny architects in action.

The bizarre behavior had previously been observed in experimental settings and was thought to be a competitive attempt to ...

Scientists have captured the first videos of wild roundworms forming living, wriggling towers that behave as one big superorganism ...