Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

An atmospheric river event is forecast to bring rainfall, snow, and the potential for flooding to parts of California this ...

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

The remnants of an "atmospheric river" will move across Arizona Friday into the weekend, but most of the river's flow will ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

The Earth's atmosphere has strengthened its ability to remove air pollutants, including the potent climate-warming gas ...

An atmospheric river is essentially a narrow band of Pacific moisture, water vapor, that is funneled into a long narrow flow.

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday ...