More than 100 neglected lions found in a South African breeding facility. The diseased animals were being raised, surprisingly, by a member of an organization that espouses responsible lion care.

California's sea lions aren’t really ‘demonic’—they’ve been poisoned. A common neurotoxin produced by algae blooms is making California sea lions more aggressive.

With four-inch canines and a jaw capable of generating 4,450 newtons of force, lion bites are something most animals want to avoid. But pangolins are not most animals. Though these creatures weigh ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves skill, knowledge, and practice.

Namibia is a southwestern African nation roughly twice the size of California, known for having the world’s oldest desert.

Why do male hippos fight? It's all about territory and mating rights. And they don't care who is around as they battle.

Redwood National Park has an incredibly diverse array of wildlife. Among all the animals you can spot, there are two that you ...

Sea lions do not often attack humans, but a slew of recent assaults points to an algae that scientists say is poisoning the animals — and making them more aggressive. This algae releases a ...

There are plenty of big animals in US national parks to be aware of. Mountain lions live in 16 states, and are common in many of America's parks.

National Geographic Explorer Bertie Gregory talked about working with Sir David Attenborough and making "Animals Up Close" during an interview at D23.