Five ecosystems transformed by climate change give birth to new, sometimes even richer worlds.

At Reteti Sanctuary, the team helps orphan elephants prepare for life in the wild.

Four people across continents face environmental change and seek coexistence with wildlife.

See the extreme ways in which raptors conquer the toughest habitats on Earth.

Before the Pause explores solutions for women experiencing perimenopause.

Mars was once a blue water world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?

Colossal explosions shake a remote corner of the Siberian tundra, leaving behind massive craters

Renowned paleontologist Kirk Johnson takes us on an epic adventure through time at the polar extremes of our planet.

Jupiter’s massive gravitational force made it a wrecking ball when it barreled through the early solar system…

Humans have been altering Earth’s environment for thousands of years…