The New World screwworm was eradicated from the state decades ago, but now officials are warning it may be poised to return.

The USDA bans Mexican cattle imports after screwworm discovery, prompting Texas officials to warn about the parasite's threat ...

The research team expected to find colonies of marine worms, crustaceans and mollusks. They didn’t expect to discover a new species. Cow bones were dropped off the coast of Brazil to simulate ...

elegans worms. The size of the spheres allowed them to pass through the worm's digestive system until they met a structure known as the grinder, that, like its name suggests, grinds up the food ...