A nasty parasite that is sometimes found in the water supply may soon be treatable, thanks to new research. This parasite, named cryptosporidium, is a single-celled organism that can cause a diarrheal ...

The United States has taken emergency action to suspend livestock imports from northern Mexico after detecting the alarming spread of the New World Screwworm fly, a parasitic insect that poses a ...

The U.S. government plans to open what amounts to a fly factory by the end of the year, announcing its intent Wednesday to breed millions of the insects in Texas near the border with Mexico as part of ...

HERMOSILLO, Mexico — The United States' suspension of live cattle imports from Mexico hit at the worst possible time for rancher Martín Ibarra Vargas, who after two years of severe drought had hoped ...

New World screwworm was largely eradicated from the U.S. and Central America in the 1960s and 1980s, respectively. But the potentially fatal parasite is starting to make a comeback, U.S. officials say ...

Denise Bonilla / AP The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in Mexico than previously reported. Mexico’s president ...

You've heard the saying "dropping like flies," right? Well, in Texas, they are about to drop millions of flies from planes. It may sound like a bad script for a low-budget horror flick, but Texas ...