High above our heads and unseen to the naked eye, rivers of water vapor flow through the atmosphere. These "atmospheric rivers" are crucial to the global water cycle. Astonishingly, they have the ...

SAN DIEGO COUNTY, Calif. — Over the last decade, weather experts have more frequently used a relatively new term to explain powerful storms from the Pacific Ocean that drop inches of rain across the ...

A barrage of intense, wild swings in climate conditions may have fueled the largest mass extinction in Earth’s history. A re-creation of how ancient sea surface temperatures, ocean and atmosphere ...