The custom forecasting systems are designed to increase the reliability of solar and wind energy.

Forests across western North America have been ravaged by the most extensive bark beetle attacks on record. Scientists are getting a better handle on what comes next—and the answers aren’t as straightforward as they expected.

The main source of online weather training for meteorologists, emergency managers, and others is seeking donations to try to stay in business.

Reducing emissions of four shorter-lived pollutants could slow the annual rate of sea level rise by up to 50 percent.