Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

A strong Pacific storm is bringing soaking rain to Southern California and raising the risk of life-threatening flooding, mudslides and debris flows, especially near burn scars in the Los Angeles area ...

(CNN) — Tossed and battered by violent wind and severe turbulence, the National Oceanic and Atmospheric Administration’s Hurricane Hunters have spent the past week diving into the eye of Melissa — a ...

Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, ...

Hurricane Melissa is expected to make landfall in Jamaica Tuesday, bringing severe winds and flooding. For survivors, the dangers don’t end when the storm passes — hidden hazards like mold, structural ...

(CNN) — Melissa rapidly intensified over the weekend and is now a rare Category 5 hurricane with 160 mph winds. The National Hurricane Center expects it to make landfall in Jamaica on Tuesday morning ...

• Moving north: Melissa is an “extremely dangerous” Category 3 hurricane as it closes in on Cuba, the National Hurricane Center warned, after the storm made a historic landfall in Jamaica as one of ...

A second typhoon in a week is churning toward the Philippines, with residents in its path warned to flee the looming destructive winds and life-threatening storm surges.