Satellite observations show that students of color are exposed to higher levels of air pollution in U.S. public schools than their white peers.

Past volcanic eruptions and salt deposits from present-day hot springs left this distinctive “face” in northern Chad.

Shifting rainfall patterns are projected to leave millions of people without consistent access to food in late 2023 and early 2024.

Despite their rusty color, these arteries of water in Bolivia and Madagascar are important for biodiversity.

Thousands of endemic plant species flourish in one of the planet's hottest biodiversity hotspots.

Homes were destroyed by blazes in eastern Australia, fueled by unusually hot and dry conditions.

Otis went from tropical storm to major hurricane in a matter of hours before barreling into Mexico's Pacific Coast as a category 5 storm.