The Australian redclaw crayfish, an aggressive crustacean native to northern Australia and Papua New Guinea, has been spotted in South Texas.

Flagstaff, Ariz. — Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but ...

Just seeing that amount in one group, it gives you a bit of the shudders,” said the snake catcher tasked with removing the ...

Once abundant on Socorro Island, part of Mexico’s Revillagigedo Archipelago, the Socorro dove was last seen in the wild over ...

Learn more about the natural history of urban wildlife species you may have come across during your time in Berkeley.

US President Donald Trump's administration is moving to roll back protections for endangered species and their habitats in a ...

Our weekend event guide is packed with things to do, see and experience in Pittsburgh, from cultural events to outdoor ...

Monroe County Sheriff's Office said Sergeant James Hager helped Key Largo residents "remove this unwelcome guest from their ...

From alpacas to pot-bellied pigs, the San Luis Obispo County Animal Services shelter has cared for some unusual critters.

A tyrannosaur that lived 70 million years ago in Alaska wasn't nearly as big as Tyrannosaurus rex, but it wasn't as small as ...