A biologist made an unexpected discovery while researching fish heads—a bizarre parasitic crustacean that replaces the tongue of its host. Kory Evans from Rice University in Houston spotted the ...

The interaction between parasites and their hosts can be gruesome: They manipulate, invade and terrorize their unsuspecting hosts, often killing them in the process. From mind-controlling organisms to ...

Images show how changes in a specific protein of the malaria parasite are causing a frontline treatment to lose effectiveness Results show how antimalarial resistance could spread out of Southeast ...

The parasite responsible for toxoplasmosis requires a stress response system that helps it survive the move to infect new cells, Indiana University School of Medicine scientists have reported, a ...

The first-ever detailed images of a malaria protein, a known key modulator of drug resistance, show how the parasite evades antimalarials -- and may help scientists find ways to restore the drugs' ...