Sarah Kaplan

A wide swath of the Southeast braced for dangerous floods as the first tropical storm of the Atlantic hurricane season bore down on the Gulf Coast on Wednesday, raising risks of heavy rains from Texas

In his battle to clear algae from the water by the Lincoln Memorial, the president has overlooked the real causes of unsightly — and often dangerous — algal blooms.

In his battle to clear algae from the water by the Lincoln Memorial, the president has overlooked the real causes of unsightly — and often dangerous — algal blooms.

More than 200 people may have died in Spain in recent days as a result of the record heat wave that has gripped much of Europe this week, according to data from a national monitoring system that estimates excess deaths.

Three firefighters were killed batting the flames as 79 fires swept across 11 states.

See where it reached 105 degrees on Thursday and where it could happen again on Friday.

From the Midwest to the East Coast, high temperature records have been broken or tied across 21 states since Wednesday, and the peak of the heat is still to come for the Mid-Atlantic and Southeast.

With the river in freefall, federal officials plan to intervene, possibly imposing large cuts to water usage in seven states. Effects would be felt beyond the West.

Sarah Kaplan The federal government is poised to announce a major decision about the fate of the shrinking Colorado River — a crucial water supply for 40 million people across two countries, seven states and 30 tribes.

A new federal analysis predicts that water levels in Lake Powell will fall almost to the point that its dam can no longer produce power.