A wild grizzly strolls up to a riverbank, drops down within arm's reach of a seated man, and settles in to enjoy the view.

A hybrid bighorn sheep is on the lam in Montana's mountains, posing a health threat to wild herds. Why has no one found the ...

Australia might be the true last frontier of biological mystery. It’s a huge landmass, with thousands of miles of remote, inhospitable terrain that can be nearly impossible to study. Even Australia’s ...

Construction workers in Manhattan have removed the roof of a water tower where barn owls were nesting, sparking outrage.

In the 1970s, a catastrophe hit amphibians across the country of Brazil. Frogs, in particular, seemed to experience the brunt of it. Scientists began noticing a sharp decline in frog populations that ...

A leaked Australian National Vertebrate Pest Coordinator report card has raised concerns about the control of feral deer on ...

After a 500-year absence, beavers are returning to Loch Ness. What caused their regional extinction, and can it happen again?