Dolphins smile at each other while playing, study says
Dolphins are actually smiling at each other when they open their mouths while playing with one another, according to a recent study out of Italy.
Fat Bear Week starts a day late after bear kills rival on live webcam
Fat Bear Week is back, but the annual contest that celebrates brown bears and their healthy appetites was delayed after a bear killed another bear on a live webcam.
Scuba divers have 'once-in-a-lifetime' close encounter with great white shark near Catalina
Scuba divers near Catalina had a rare and thrilling encounter with a 15-foot Great White Shark, capturing the moment on video as the shark calmly circled them before swimming away.
Gilbert child narrowly escapes rattlesnake bite
A 7-year-old girl from Gilbert narrowly avoided a lethal situation after she was bitten by a rattlesnake while on a hike with her family. FOX 10's Nicole Krasean has the story.
Close call for a child in Gilbert as she recovers from a dangerous rattlesnake bite
A child in Gilbert is back home after a hospital stay stemming from a rattlesnake bite.
VIDEO: Bear charges at man in his own garage
Alex Gold said he has seen bears before, but never as close as this.
VIDEO: Octopus seen 'punching' fish to corral them while hunting for food
Video from a new study shows multiple examples of octopuses using their tentacles to punch fish.
Crews rescue ‘badly’ burned bear from Nevada wildfire
As crew members continued to battle the Davis Fire in Western Nevada, they rescued a bear found with severe burns.
Boy shoots and kills bear that was mauling his father; 3 dead following Far West Valley fire | Nightly Roundup
From what a boy in Wisconsin did to save his father to a deadly fire in a small community west of Buckeye, here's a look at some of our top stories.
Wisconsin bear attack: Boy shoots, kills animal mauling father
A 12-year-old boy shot and killed a wounded black bear as it was mauling his father near their hunting cabin in the thick western Wisconsin woods.
100 Grand Canyon bison relocated to South Dakota
About 100 bison from the Grand Canyon's North Rim were relocated to the Cheyenne River Sioux Tribe.
Hiker mauled by bear, hospitalized with ‘extensive’ injuries: official
A 45-year-old man hiking alone in Alberta, Canada, was mauled by a bear late Friday morning, the Royal Canadian Mounted Police (RCMP) confirmed to Fox News Digital Saturday.
See it: Snake barfs up two other snakes, including rattlesnake, after found in Georgia
Those squeamish photos show a burly, 4-foot-long eastern indigo snake that had eaten not just one, but two other snakes – including a rattlesnake.
Brush Fire burns in Scottsdale; snack bag caused 'world-changing event' at national park | Nightly Roundup
From a brush fire that got close to homes in north Scottsdale to the impact a dropped bag of Cheetos had on a New Mexico national park, here's a look at some of our top stories.
Bag of Cheetos created huge impact on a national park ecosystem
A bag of Cheetos that was left on the floor of Carlsbad Caverns in New Mexico turned into a "world-changing event" for insects and microbes inside the cavern, according to the National Park Service.
Snack left at Carlsbad Caverns disrupted ecosystem
While someone dropping a bag of Cheetos inside the Carlsbad Caverns might not sound like a big deal, officials with the National Park Service say that bag of snacks impacted the cave's ecosystem in various ways.
Florida man arrested for keeping alligators in his backyard swimming pool, FWC says
A Florida man has been arrested after he was caught keeping alligators and several freshwater slider turtles on his property, according to the Florida Fish and Wildlife Conservation Commission (FWC).
Watch: Rare 'flying spaghetti monsters' spotted in recent deep sea expedition
Twenty possible new species were discovered during this expedition along Chile's Nazca Ridge, according to researchers.
Researchers shocked after 8-foot shark is eaten by a predator. But who's the culprit?
Researchers were stunned to discover that an 8-foot porbeagle shark, a top predator, was eaten by another warm-blooded creature.
7-foot shark was eaten by even bigger shark, researchers suspect
A pregnant 7-foot porbeagle shark appeared to have been eaten by an even larger shark in what researchers believe is the first such evidence of the ocean hunter becoming the hunted.