The Alaskan tundra puts on a fleeting display of color before the snows fall and bears hibernate.

A few years after a fresh influx of water raised its levels, the large lake has nearly gone dry.

Indigenous people are protecting carbon-rich forests in South America, and satellites are helping.

An oblique-angle photo taken from above the Middle East captures the Moon peeking over Earth's atmospheric limb.

Dry conditions brought on by El Niño likely intensified the 2023 fire season, following several years of relative quiet.

An influx of nutrients in recent decades has contributed to the proliferation of algae in the large Canadian lake.

The powerful storm intensified as it tracked toward the island's southern tip.