These mountain lion kittens from Simi Hills are thriving despite a failed foster attempt after their mom died. They're now at an Arizona sanctuary, where they will serve as "ambassadors" for the Santa ...

National Park Service researchers discovered two litters of mountain lion kittens in the Eastern Santa Susana Mountains. The kittens were ear tagged and returned to their respective dens earlier this ...

BOZEMAN, Mont. — Over Thanksgiving, the Yellowstone Wildlife Sanctuary provided short-term care for an orphaned mountain lion kitten rescued during a severe winter storm. The kitten, named Nancy for ...

SANTA MONICA, Calif. — There's been a baby boom in Southern California. National Park Service biologists have found a big increase in the number of mountain lion kittens born in the Santa Monica ...

SANTA MONICA, Calif. -- National Park Service researchers released photos Tuesday of their newest research subjects: two spotted mountain lion kittens between 3 and 4 weeks old. The female kittens, ...

Whether you call them a cougar, puma, mountain lion or panther, you’re talking about the same big cat, often solitary and ...

Researchers say they've discovered three adorable 10-day-old mountain lion kittens in Sonoma County. The Audubon Canyon Ranch research teams discovered the kittens Friday near Glen Ellen and Kenwood, ...