How a steady diet of fertilizers has turned crops into couch potatoes.

This time the test is Earth’s own ecological future.

Robert Paine showed us the surprising importance of predators.

Bahrain’s “Tree of Life” is a beauty. Low and wide, its thick, craggy branches dive under the surface of the desert before curving back up toward the hot sun. Delicate, feathery leaves flutter at its edge. It’s also profoundly alone. Diminutive shrubs dot this sandy wasteland, but there’s not another tree in sight, across miles […]

My sister the scientist makes a startling discovery in an Ugandan jungle.

A geologist explains that climate change is not just about a global average sea rise.