Over 300 invasive species are in the United States' national parks, causing a variety of issues such as harmful changes in ecosystem ecology, disease emergence, and local species extinctions. Invasive ...

More than 70 people have been infected with a parasite after visiting an animal farm in Wales. Sixteen people have been ...

Say hello to Juracanthocephalus daohugouensis, a parasite that lived way back in the Jurassic, but one that’s been scrambling ...