The 'Great Moose Migration': Millions tune in for Sweden's epic livestream

Like similar eagle nest or fish “doorbell" cams, this remote livestream of an annual moose migration in Sweden is captivating millions on the internet.

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.

We Energies: 2 peregrine falcons dead; bird flu likely the cause

Two peregrine falcons that were occupying the nesting box at the We Energies Port Washington Generating Station site have died.

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.

Watch: Snowboarder outruns avalanche on Mount Washington

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

Cougar cubs spotted in Michigan for first time in 100 years

For the first time in a century, cougar cubs have been seen and confirmed in Michigan. The big cats were hunted out of existence in the Upper Peninsula in the early 1900s.

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.