Bison gores man near Old Faithful at Yellowstone National Park, officials say

It was Yellowstone’s second reported incident this year of a visitor getting too close to the animal, and the bison “responding to the perceived threat,” officials said.

Tako, the Giant Pacific octopus at OdySea Aquarium, enters final phase of her life
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Tako, a Giant Pacific octopus at OdySea Aquarium in Scottsdale is entering the final phase of her life. The process is known as "senescence." She's begun laying thousands of eggs and is in the process of dying. This is completely natural. For now, OdySea has opted to keep Tako on exhibit, in a familiar and safe environment. It's also an opportunity to educate guests about this natural process.

Grand Canyon won't seek volunteers to kill bison this fall

The park used skilled volunteers selected through a highly competitive lottery last year to kill bison, part of a toolset to downsize the herd that's been trampling meadows and archaeological sites on the Grand Canyon's North Rim.

11-year-old girl catches huge carp with her bare hands in Lake Minnetonka

Maddie Freese, 11, participates in kids' fishing tournaments but has never pulled off a catch like the one she did on Tuesday when she dove into shallow water of Lake Minnetonka and bear-hugged a carp.

Shark attacks swimmer off California coast

A swimmer was seriously injured in a shark attack on the central California coast on Wednesday, police said.

Sharks swimming closer to crowded beaches than previously thought, study says

"We were surprised to find that the sharks we tracked spent so much time near the lights and sounds of the busy city, often close to shore, no matter the time of day," the study author said.

Florida man says alligator attacked, ate his dog 'like it was nothing': report

The owner had been playing fetch with his dog when an alligator suddenly grabbed the 40 lb. Lab mix by his head. "Boom, the water just sort-of exploded," he recalled. "He never barked. He never saw it... It took him down like it was nothing."

Watch: Black bear stalks family along Canadian trail

A young family recorded a scary encounter with a black bear during a hiking trip last week in Whistler, but their quick thinking kept things from getting worse.

California debates listing western Joshua tree as threatened

California officials are weighing whether to list the iconic western Joshua tree as a threatened species, a designation that would make it harder to remove the trees for housing, solar or other development projects.

Video shows cow taking over office on England farm

“Someone left the door open and she wandered in from the pasture on her own,” the owner said.

Bird flu arrives in Southwest after millions of birds die

Arizona officials have confirmed the first cases in the Southwest of bird flu that has led to the deaths of 37 million birds from commercial farms in the central and eastern U.S.

Avian flu arrives in Arizona after millions of birds die

Officials with the U.S. Department of Agriculture's National Veterinary Services Laboratory say they have detected a strain of bird flu in birds at a park in Scottsdale.

Fighting bears tumble down mountain in Spain

A dramatic and violent encounter between two bears in nature was captured on video over the weekend.