Atmospheric rivers are massive plumes of moisture carried across the sky that can dump heavy rains or snow over land. Atmospheric rivers generally form in tropical regions, where warm temperatures can ...

(KRON) — The first of two significant atmospheric river storms barreled into the Bay Area on Wednesday, bringing heavy rain, flooding, and causing trees to fall. Rain is expected to continue over the ...

Though scientists have long understood how lightning strikes, the precise atmospheric events that trigger it within thunderclouds have remained a perplexing mystery. The mystery may now be solved, ...

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 ...

An atmospheric river is poised to open the floodgates, with torrential rains and gusty winds expected to thrash the West Coast starting Wednesday. California is expected to bear the brunt of the ...

New mapping of the giant planet’s upper atmosphere reveals likely reason why it’s so hot. The upper layers in the atmospheres of gas giants — Saturn, Jupiter, Uranus and Neptune — are hot, just like ...