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.

Live bat found in Cedar Park tests positive for rabies: police

A live bat found in Cedar Park has tested positive for rabies. Police believe the bat came into contact with multiple people and/or animals.

Texas wildlife refuge officially renamed after Jocelyn Nungaray

On Monday, the U.S. Secretary of the Interior officially renamed the Anahuac National Wildlife Refuge after Jocelyn Nungaray, a 12-year-old Houston girl who was murdered last year.

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.

US butterfly populations declining at 'catastrophic' rate—experts warn it's a 'bad sign for us'

A new study finds butterfly populations in the US have dropped 22% since 2000 due to pesticides, habitat loss, and climate change. Scientists warn the decline could have major consequences for ecosystems.

You can eat these 5 invasive animals to help population control, US Fish & Wildlife Service says

An invasive species is an introduced non-native organism that begins to spread or expand its range from an original introduction and can possibly harm the environment, economy or human health.

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.

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.

See the rare ‘doomsday’ fish that washed up in Mexico

A rare oarfish, often called the "doomsday fish," was spotted in Mexico—just days after another deep-sea creature, a deep-sea anglerfish, made a rare appearance in daylight.