What you can do to protect iconic oak trees
video

As Earth Day approaches, there's a concerning shift involving oak trees. Some of them are dying here in Chicago.

Scientists bring dire wolves back from extinction
video

Dire wolves are not just from Game of Thrones. They were an actual animal species that last roamed the Earth 13,000 years ago.

Watch: Massive 5,000-pound sunfish dwarfs diver off Mexico coast

A dramatic video captured off the coast of Cabo San Lucas, Mexico, shows a diver appearing tiny next to a massive ocean sunfish.

Tampa dog owner pries open gator’s jaws to save pet from attack

A Floridian's worst nightmare: a battle between a dog and a gator, but it was no match for the dog's owner, who made sure her beloved pet was coming home and pulled her dog "Kona" from the alligator's grip.

Watch: Snowboarder outruns avalanche on Mount Washington

Footage from an observatory captures the snowboarder's near encounter with the avalanche in New Hampshire.

Alaska’s Mount Spurr could erupt in weeks, scientists warn

Scientists warn that Alaska’s Mount Spurr is showing signs of increased activity and could erupt in the coming weeks or months. An eruption could lead to widespread ashfall in Anchorage and surrounding areas, potentially disrupting flights at one of the world’s busiest cargo airports.

3 hurt after driver brakes for animal on Chicago's NW Side

Three people were injured in a crash after a driver tried to avoid an animal in the street Monday night on Chicago’s Northwest Side, police said.

Billions of buzzing cicadas will emerge across multiple states this spring

The last time this brood of cicadas saw the sun, President George W. Bush was nearing the end of his presidency and Apple was about to launch the App Store.

Stunning video shows inside of shark's mouth as it chews on diver's camera

Divers off the Bahamas were treated to an up-close view of the inside of a shark’s mouth when the shark swallowed a camera, providing stunning video.

Watch: Kayaker gets swallowed by whale – briefly

A kayaker thought he was dead after being briefly swallowed by a humpback whale. His father caught the biblical moment on camera.