The Arizona Game and Fish Department is investigating what it believes to be an intentional poisoning, leaving dozens of animals dead in Tucson. Officers discovered several dead coyotes, javelinas and ...

Of all the adaptations you describe, the most extraordinary is surely the London Underground mosquito. Tell us how it evolved. Despite its name, the London Underground mosquito is not restricted to ...

Scientists have pinpointed the "pace" and "shape" of life as the two key elements in animal life cycles that affect how different species get by in the world. Their findings, which come from a ...

Cheetahs hold the title of the world’s fastest land animal and can reach a top speed of 70 miles per hour. The Galápagos tortoise is roughly the same size as a cheetah, yet the fastest it can “run” is ...