A video of a crowd of bears purportedly leaving Yellowstone went viral on social media. Now wildlife biologists and park officials are stuck debunking the influencer who posted it.

Social media captures of droves of animals fleeing Yellowstone National Park have sparked a frenzy of worry, but officials say it's 'misinformation' ...

About 74,000 years ago, the Earth experienced an event so immense that some scientists believe it nearly wiped out our species. This event is known as the Toba catastrophe, named after Lake Toba on ...