Police in Redwood City are warning residents and anyone in the area that aggressive coyotes are roaming Redwood Shores.

Coyotes rarely make people panic, and that is exactly why they deserve more attention. Their danger is not just direct ...

Aggression and reactivity account for the largest share in training inquiries submitted by American pet owners.

When most people imagine territorial aggression in the animal kingdom, they picture lions roaring across the savanna or wolves howling at pack borders. Fierce, obvious, and easy to respect. The ...

Editor’s note: Dr. Lee Pickett has retires, but Creators continues to distribute columns from her archive. This is from 2020. Q: Harley, my 3-year-old bulldog mix, doesn’t go to the veterinarian often ...

We round up nature's most brutal bawlers, from vicious lions and testosterone-filled elephants to sparring ants.

A new study of our two closest living relatives finds that, at least in zoos, bonobos may not be more peaceful than ...