Apple snails can sicken humans if they are eaten raw or undercooked. Their egg masses also contain a toxin which can cause skin and eye rashes. The apple snail, a harmful invasive species, has been ...

Normally, it takes the waxing and waning of the moon to coax certain worms from hiding on the seafloor to mate. Out in the open, sex-inducing chemicals kick off a swirling dance that culminates in a ...

Americans are being urged to destroy strange, sticky pink blobs appearing across Florida, as officials warn they pose a threat to both humans and local ecosystems. These vivid pink clusters are egg ...

An invasive, dog-killing parasite is now lurking in Southern California. In new research this week, scientists say they’ve confirmed the newfound spread of the flatworm Heterobilharzia americana to ...

The life cycle of the parasitic rat lungworm involves rats spreading it to snails and slugs, which pass it back to rats. AFP via Getty Images Rats infected with a parasitic worm, which can also cause ...