Add Yahoo as a preferred source to see more of our stories on Google. Dust off your rusty machetes and polish the edge of your best hunting knife: The annual public python hunt is coming later this ...

These images of python hunters with their trophy catches underscore how big a threat these invasive snakes are in Florida.

Conservationists are telling anglers to cut the head off a predatory, reptile-looking fish that can breathe air if they find one. The northern snakehead is an invasive fish species with a fitting name ...