There’s fierce competition in the wild, but you're more likely to see lions face off with panthers on the gridiron than in the great outdoors. So why do zebras masquerade as NFL referees in the wild?

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Why is the sky blue? Check. What makes a rainbow? Check. Why ...

Zebras' thick, black stripes may have evolved to help these iconic creatures stay cool in the midday African heat, a new study suggests. Many African animals sport some stripes on their bodies, but ...

About 30 miles north of the equator, in central Kenya, Kaia Tombak and her colleagues stood beside a plexiglass box. Tombak, who studies the evolution of animals’ social behavior, was dressed for the ...

Zebras are famous for their contrasting black and white stripes – but until very recently no one really knew why they sport their unusual striped pattern. It’s a question that’s been discussed as far ...