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

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

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

The atmospheric river flowing through California is a double-edged sword. Along with much-needed water to the state's reservoirs, the precipitation also brings dangerous driving conditions and the ...

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

An atmospheric river was set to begin pummeling Southern California with heavy rain on Thursday, prompting evacuations and school closures as officials warned about life-threatening flooding and ...

An atmospheric river was set to begin pummeling Southern California with heavy rain on Thursday, prompting evacuations and ...

The Los Angeles area’s groundwater remained depleted even after a series of historic atmospheric rivers struck the region in ...

While the last frost of the season may occur later than usual, spring in 2025 is expected to be warmer than average.

Seismic measurement of Los Angeles’s depleted aquifers show a year of heavy precipitation hasn’t been enough to refill them ...

Forecasters said it is expected to deliver about 2 inches of rain to most Bay Area cities Thursday and Friday, 3 to 5 inches ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...