What does it look like inside the belly of a Burmese python as it digests a rat? X-ray images reveal that it's a surprisingly fast process.

Snakes are often hated and feared. But there are good reasons to keep them around your home or garden. They can keep pests, such as rats and mice, in check.

Giant kangaroo rats bound across California grasslands with their elongated hind legs and feet. They live alone in underground burrows on sandy slopes.

NATURE's six-part series TRIUMPH OF LIFE presents the remarkable story of evolution and its survivors.

NATURE's six-part series TRIUMPH OF LIFE presents the remarkable story of evolution and its survivors.

NATURE's six-part series TRIUMPH OF LIFE presents the remarkable story of evolution and its survivors.

NATURE's six-part series TRIUMPH OF LIFE presents the remarkable story of evolution and its survivors.

NATURE's six-part series TRIUMPH OF LIFE presents the remarkable story of evolution and its survivors.

NATURE's six-part series TRIUMPH OF LIFE presents the remarkable story of evolution and its survivors.