How an unusual little snail jumped its way across the globe

The mystery of cave-dwelling opossum shrimp found half a world apart

From bats living paycheck-to-paycheck to elephant seal billionaires — which species can afford to act sick, which cannot, and why?

Should we really care if animal species go extinct?

A tour through time and space of the birds that cannot fly

There are more than 250 recognised owl species. Learn who is who.