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.

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.

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.

Alaska’s Mount Spurr being closely watched for signs of an explosive eruption

Mount Spurr is part of the Ring of Fire, located in southern Alaska. The mountain is a stratovolcano, which means it has steep slopes and is known for its explosive eruptions. The last major eruption occurred in 1992, which caused a significant disruption in air travel across the Pacific Ocean.

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.

See a wolf in Michigan? DNR seeking proof in the northern Lower Peninsula

Before someone shot and killed a wolf in Southwest Michigan last year, officials had no reason to believe any had established in the Lower Peninsula. The DNR is now looking for proof.

Great Lakes invasive carp project on hold amid fears Trump will pull funding

A massive $1.2 billion project intended to keep invasive fish out of the Great Lakes is on hold amid fears Donald Trump won't cover the federal government's share.

Watch: Deep-sea anglerfish’s rare swim in shallow waters

The scary-looking fish is usually to be found more than a mile below the surface, where little to no light penetrates.

Moose study in Michigan UP will collar 60 individuals this February

Using spotter planes and helicopters, the Michigan DNR plans to track down 60 moose in hopes of boosting their numbers up north.

Largest shark ever tagged by research group spotted off Florida coast

Researchers are tracking what may be the largest male white shark ever tagged by OCEARCH, with recent signals coming from off Florida's east coast near Jacksonville.

Spore spreading insect intercepted at Detroit Metro Airport

A foreign pest that spreads fungal spores and poses a danger to native trees in Michigan and the U.S. was discovered at Detroit Metro Airport.