Each summer, as Flathead Lake reaches its scenic peak, calls grow louder to hold the lake level high through August and into September. For lakeshore residents, recreation businesses and visitors, ...

I was getting thrashed by the waves, but I gave my word that I would be back to keep trying,” recovery diver Ryan Prigmore ...

Rare but powerful inland tsunamis—triggered by landslides, glacial calving, or lakequakes—could strike five U.S. states near major lakes and reservoirs. Though uncommon, these sudden waves can ...

A heat dome occurs when a large area of high pressure in the upper atmosphere acts as a reservoir, trapping heat and humidity ...

The worst-case forecast has Lake Powell falling to low enough levels by the end of next year to halt electricity production ...

It's a critical water source. Officials celebrate as key reservoir fills up for first time in years — here's what's happening ...

Sheriff continues water search for missing after a powerboat overturned Saturday at Lake Tahoe in a sudden, powerful storm.

In 2022, researchers discovered that Yellowstone's supervolcano has substantially more magma reservoir under the caldera than previously thought. The lava is also flowing at shallow depths that ...