Elephants react to San Diego earthquake, swarm around young

The elephants felt the ground begin to rumble Monday in San Diego, and instinctively went into protective mode.

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.

Dolphin in North Carolina dies after ingesting plastic bag

A bottlenose dolphin was found dead in North Carolina, with a necropsy revealing a knotted plastic bag in its stomach as the likely cause of death.

Deadly toxic algae bloom causing sea lions to become sick, violent

Toxic algae bloom is wreaking havoc on the Southern California coast, especially in local sea lions, causing seizures, stillbirths, even violence.

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.

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.

These cities are most likely to see an explosion in disease-spreading pests: study

Ticks, mosquitoes, cockroaches and rodents pose serious health risks, experts say. Here’s where you’re most likely to see pest problems in coming months.

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.