Yellowstone National Park trail shut down after first bear attack in 4 years

Grizzly bears and black bears coexist in Yellowstone, according to the National Park Service, and it's unclear which one was involved in the attack.

Beloved Aquarium of the Pacific octopus spends last days caring for eggs, although they won't hatch

This last phase of an octopus’s life, known as senescence, is a natural process where the octopus ceases eating and dedicates its remaining energy to protecting and aerating her eggs.

Hikers on psychedelic mushrooms rescued after getting lost in NY mountains

A hiking trip took a “trippy" turn that ended with a group having to be rescued from a popular mountain destination in New York State last month.

Endangered sea turtles thriving in the San Gabriel River

Endangered green sea turtles have been living year-round in the San Gabriel River long before Los Angeles was established.

Man dies in shark attack at Sydney beach

A man in his 50s was killed by a large shark while surfing at a beach near Sydney, Australia on Saturday.

Californians urged to report monarch butterfly sightings

The California State Parks Foundation is urging the public to help track western monarch butterflies during California Biodiversity Day, which runs from September 6-14.

Maryland man injured after pet buffalo attacks him

Dick Wildes says at one point, he owned about 50 buffalo, and kept up to 30 on his farm in Hollywood, St. Mary’s County.

Alaska jogger dragged 100 yards by bear in terrifying predawn attack near driveway

A woman in Alaska was mauled by a bear this week near her driveway after she left her home for an early morning jog, state officials confirmed to Fox News Digital.

Wildlife Photographer of the Year sneak peek: See the stunning photos

A dramatic stand-off between a lion and a cobra. A lone elephant wading through a landfill in Sri Lanka. Here's a sneak peek at the Wildlife Photographer of the Year's top photos.

Watch: Video shows rare fish's ability to climb rocks

The tiny fish were seen swimming, or rather "climbing" up rocks, a behavior that hadn't been seen before.

More than 200 lobsters seized in major poaching bust in San Pedro

The four suspects were found with 236 poached lobsters, most of which were undersized, according to the California Department of Fish and Wildlife.

Video: Florida alligator devours python in Everglades

An alligator in the Florida Everglades was seen doing its part to combat the invasion of Burmese pythons in the region, chomping on the limp body of one of the massive snakes and swimming off with the meaty catch.

Wild rabbits spotted with strange 'horn-like' growths sprouting from their heads

Recently, some wild rabbits have been seen in the U.S. with "horn-like" growths spurting from their heads that are caused by a viral infection, according to experts.