"We are finding this human-made material in what we consider a pristine area of the atmosphere," the stratosphere.

New research identifies the cause of the muddy flavor that often comes with farmed fish. The main culprit is geosmin.

An investigation into the Congo Basin's carbon cycle clarifies one of the world's darkest blackwater rivers: the Ruki.

Growers want to produce wildlife-friendly plants, and consumers want to buy them. They're just not sure they know them when they see them.

A new study investigates lions' interactions with humans in a diminishing habitat.

Melting of surface ice in Greenland has been speeding up but is doing the exact opposite in Antarctica, a new study shows.

"With this model, there's just a very small difference between what the forecasts are and what actually occurs."

The need for quick and "real-time" forecasting of tropical cyclones is more necessary than ever, say researchers.

Living in an area with record-breaking heat increases perceptions that the weather is getting hotter, a study finds.