Alligator spotted swimming in Lake Erie, prompting search

A search is ongoing for an alligator seen last weekend as officials investigate how the reptile ended up in the lake.

Orphaned mountain lion cub brought to Oakland Zoo

An orphaned mountain lion cub is recuperating at the Oakland Zoo after it was found orphaned more than 150 miles away.

Rare orange lobster gives birth to more rare orange lobsters

The University of New England welcomed a rare orange lobster named Peaches last year, a 1-in-30-million find. Recently, Peaches gave birth to more orange lobsters

Calgary Zoo polar bear drowns after rough play incident

A necropsy has confirmed that a polar bear at the Calgary Zoo died after rough playing with another polar bear.

Surfer loses leg in fight with 10-foot great white shark

After the attack, Kai McKenzie managed to make it back to shore and his leg also washed ashore not long after.

Watch: Mountain goat shows off dance moves on top of Subaru

A hiker in Colorado walked back to her car only to find two mountain goats having a party on the roof of her Subaru without her.

ASU student falls to her death during storm on Yosemite’s iconic Half Dome

A bucket-list climb to the top of Yosemite National Park’s Half Dome turned to tragedy for a young Arizona woman who fell to her death during a descent forced by a sudden storm that pounded the iconic granite monolith.

Sharks test positive for cocaine off Brazil's coast

Sharks have tested positive for cocaine off Brazil’s coast, according to a new scientific study.

Pig hearts and kidneys: Barns may be future of organ transplantation

Some of the world's cleanest pigs are being raised in the Virginia mountains to supply kidneys and hearts for animal-to-human organ transplants.

San Diego Zoo prepares to debut new giant pandas in August

Yun Chuan is known for his gentle demeanor, while Xin Bao is described as active, alert, witty, and an excellent climber.