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.

Wisconsin black bear den locations; DNR asks public to report

The Wisconsin Department of Natural Resources (DNR) encourages the public to submit any black bear den locations they find across Wisconsin in order to help with ongoing black bear research.

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.

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.