A new fossil discovery looks more like an incredibly well-preserved 150 million-year-old Jurassic crime scene. This species of flesh-eating fish is considered the earliest known to do so. And in the ...

A close up picture of two piranha fish with their sharp triangular teeth exposed. A school of piranhas attacked holiday makers playing in a stream in a Brazilian resort on May 1, leaving at least ...

OSLO (Reuters) - Scientists have found a new type of piranha and a ray among 13 new species of freshwater fish in an area of Venezuela where pollution from gold mines is emerging as a threat, a ...