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.
Pollen reaches high to extreme levels across southern US as season reaches full throttle
NOAA’s spring weather outlook predicts a dry, warm season, which will prevent rain from washing away the pollen, further aggravating allergies.
Watch: Crocodile and alligator battle it out in Everglades National Park
A crocodile and an alligator were seen snapping, biting and hissing at each other in Everglades National Park.
Watch: Snowboarder outruns avalanche on Mount Washington
Footage from an observatory captures the snowboarder's near encounter with the avalanche in New Hampshire.
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.
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.
'Firefall' is back at Yosemite and here's how you can see it this year
This lava-like visual is only seen when the conditions are perfect, and the sunset aligns with the waterfall just right.
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.
Orange alligators? South Carolina gators emerge from winter brumation with new look
Alligators brumate in the winter -- the equivalent of mammal hibernation -- which can last from November to February.
Venomous snake found inside box of bananas at New Hampshire grocery store
An ornate, dangerous snake was discovered in box of bananas at a New Hampshire grocery store.
Seal spotted on Connecticut streets raises more questions than answers
The seal was found wandering on a local street and was safely recovered and taken to receive medical treatment.
Rare oarfish swims on Mexican Beach: ‘No one’s going to believe this’
Footage recorded of the rare fish shows the intricacies of its iridescent, ribbon-looking body and long, wispy red fins.
Caribbean tourist attacked while trying to 'engage' with shark for photo, officials say
The government of the Turks and Caicos Islands said the incident occurred last Friday in the waters near Blue Hills, Providenciales.
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.
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.
'Dinosaur highway' unearthed in England, dating back 166 million years
A worker's discovery of nearly 200 dinosaur tracks in a limestone quarry in Oxfordshire, England, has unveiled a 166-million-year-old "dinosaur highway."