A new species of piranha-like fish called pacu was recently found hiding in plain sight among several near-identical species in the Amazon River. Researchers have named it after Sauron from "The Lord ...

The a-pacu-lypse is upon us. As if US waterways weren’t teeming with enough invasive fish of late, a Texas angler caught a South American piranha relative with “human teeth” at a local lake on Sunday.

An earthquake has opened an undersea chasm, unleashing a gazillion piranha fish near an Arizona resort town that just happens to be jammed with spring-break partiers anxious to frolic in the pretty ...

Watch as we test the dangerous power of piranhas in this thrilling encounter—who will survive, human hands or the deadly fish? Mark Green resigns from Congress, further shrinking House GOP majority ...