With tail wagging, tongue out and ears perked, Hummer - a young mixed breed dog with a slick black coat - sits down in front of a sample of screwworm scent, promptly accepting praise and treats from ...

"Illegally released." Concerned resident makes alarming discovery while visiting local lake: 'They can spread diseases and ...

The U.S. has closed its southern border again to livestock imports, saying that a flesh-eating parasite has moved further ...

Pepper, the pet cat who made headlines last year for his role in the discovery of the first jeilongvirus found in the U.S., ...

The Department of Agriculture on Wednesday halted cattle shipments from Mexico to the United States over concerns of the New World screwworm parasite's rapid spread.

Pepper the cat, whose owner works at the University of Florida, gathered a specimen containing a never-before-seen virus for ...