WACO, Texas (AP) — The mother of a New Jersey man who died of a rare "brain-eating amoeba" after visiting a Texas surf resort has filed a wrongful death lawsuit against the water park. Health ...

In a quiet freshwater pond in Ibaraki Prefecture near Tokyo, researchers have pulled from the water a microscopic giant that is forcing biologists to rethink how complex life began. The newly ...

Parts of the Lassen Volcanic National Park in California’s Cascade Range resemble the gateway to a hellish underworld, with pools of boiling water and bubbling mud where almost nothing can live, due ...

The single-celled parasite Entamoeba histolytica infects 50 million people each year, killing nearly 70,000. Usually, this wily, shape-shifting amoeba causes nothing worse than diarrhea. But sometimes ...