Busy tourist season is nearly upon Yosemite National Park and officials are warning visitors to be cautious of "one of the most dangerous animals" in the park — and it turns out it doesn't have claws.

In this thrilling video, witness some of the world’s most dangerous and impressive tree-cutting skills as expert chainsaw operators fell massive trees with incredible speed and precision. The chainsaw ...

I’ve seen this species alive in the wild twice during my own fieldwork,” says Diego Cisneros-Heredia, an ecologist at the San ...