Another eruption of this active volcano isn't the only pending disaster facing Washington's Mt. Rainier. Climate-related disasters are springing up on this mountain, resulting in long-lasting effects downstream.
Cave formations may offer a new chance to track climate history back thousands of years. Discovery News' James Williams climbs below the surface to learn more.
Core samples from Antarctica tell a fascinating story about how the Earth's climate has changed over thousands of years. Discovery News' James Williams digs into the details.
Could a single virus destroy humankind as seen in films like Zombieland or shows like The Colony? Why or why not? And if they could, what would such a virus look like? James Williams gets the answers from a virus expert.
Eve Mosher is taking her message to the streets. She's chalking a line across New York City that shows where flooding could reach if a really big storm hits.