Call it the puma, panther, the catamount or cougar; whatever name you use for America's big cat, get ready to hear it a lot.  Mountain lions once roamed the continent from sea to shining sea, but by the turn of the 20th century, they were almost completely wiped out. Now, for the first time in...

Everyone’s favorite cute, cuddly critter is, well...not. Otters are actually terrifying apex predators, dominating the food chains of our river ecosystems. But they’re also in trouble. Global populations have dropped, and in Argentina, the fate of the world’s largest otter rests in the hands -...

In case massive, destructive wildfires don’t already make you nervous, here’s something new: fires that burn so hot and fast they become tornadoes. Yes, firenadoes are real, and they are not as rare as you want them to be. See the video and more info...