Some animals are known for their ferocity and unrelenting aggression. These top 10 most aggressive animals on Earth are ...

An aggressive sea lion sent surfers running this week after it repeatedly went after them, even coming onto the beach, video ...

Shocking video shows an aggressive sea lion actively going after people in the water and on shore. Experts say a toxic algae ...

This eye-opening countdown unveils the hidden dangers lurking behind some of the most adorable creatures on the planet. From ...

The kingdom of Animalia is a thing of true wonder. From animals that can camouflage to those that can change shapes, one can never be completely aware of these wondrous beings. But did you know that ...

Colorado is known for its stunning landscapes, from towering mountains to vast forests. But these natural wonders also come ...

Public safety officials have been warning beachgoers to stay away from animals found stranded on the beach because they can become aggressive.

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 ...