Arctic glaciers are leaking significant amounts of methane, a potent greenhouse gas. Glacial melt rivers and groundwater springs are transporting large volumes of methane from beneath the ice to the ...

When they hit land they can cause heavy rains and snow. Here’s a look at the phenomenon: What is an atmospheric river? Atmospheric rivers are long and relatively narrow bands of water vapor that ...

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

My Feb. 27 letter rejected the notion of man-made global warming. A March 6 letter writer responded by saying we are “Not to ...