We are monitoring a tropical wave that is more than 1,000 miles west-southwest of the Cabo Verde in the Atlantic Ocean.

This year has seen a seemingly endless string of flash floods across the U.S. The root causes are as diverse as they are ...

A Washington Post investigation reveals why so few people evacuated in the state hit hardest by last year’s deadliest disaster.

"The science behind it is so basic you can see it in daily life," one researcher said. "Warm water drives more evaporation — the bathroom gets much steamier after a hot bath than a cold one." ...