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.

Rare pest found in lettuce shipment at California border—a US first

U.S. Customs and Border Protection (CBP) agriculture specialists discovered a rare insect in a lettuce shipment at the Calexico cargo facility on January 8.

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.

‘F--- this!’ Terrified kayaker stalked by great white shark

A kayaker captured the terrifying minutes that he was stalked by a great white shark. “F—, how do I get him to leave me alone? Please leave me alone, bro."

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.

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.

California man returns home after fire to find giant bear has moved in

Wildlife officials had to work for nearly 24 hours and set a food trap full of special treats to coax the massive, 525-lb. bear out.