Detailed satellite images reveal the web of connections that sustain life on Earth.
Accelerating ice melt in the Himalayas may imperil up to a billion people in South Asia who rely on glacier runoff for drinking water and more.
The fear predators evoke in prey can set off a domino effect, reshaping ecosystems in the process.
As the Camp Fire scorches a community in Northern California, residents leave by car and on foot. Their journey is captured on harrowing cell phone videos.
A resident returns to Paradise, California and witnesses the Camp Fire's destruction firsthand.
Feces from fish-hunting penguins and seals ferry nitrogen from sea to land, supporting food chains across the peninsula.
As the world’s waterways continue to be fragmented, people and wildlife might no longer benefit from free-flowing rivers.
Northern California’s Carr Fire spawned a deadly fire tornado with incredibly powerful winds. But what caused its flames to start spinning?