Olympic Mountain Glory
Olympic Mountain Glory

Snow-capped mountains carved by deep river valleys preside over northwestern Washington state.

Fans of the Arctic
Fans of the Arctic

Sediment eroded from ice-capped mountains splays out across a broad river valley on Russia’s Severny Island.

Wild, Scenic, and Increasingly Rusty
Wild, Scenic, and Increasingly Rusty

Orange streams are now being spotted in hundreds of watersheds in permafrost areas throughout Alaska’s Brooks Range.

Examining Algal Blooms in Blue Mesa
Examining Algal Blooms in Blue Mesa

Using satellite data, researchers connected harmful algal blooms with warm water and low water levels at one of Colorado’s largest reservoirs.

Signs of Thaw in the Bering Sea
Signs of Thaw in the Bering Sea

Drifting sea ice fragments near Alaska’s Saint Lawrence and Nunivak islands and colorful water around the Yukon Delta heralded the approach of the summer solstice.

Low Water at San Carlos Reservoir
Low Water at San Carlos Reservoir

Drought and water releases drained the Arizona reservoir to levels that have led to widespread fish deaths.

Ice Moves Out of Aniak
Ice Moves Out of Aniak

Spring melt along Alaska’s Kuskokwim River caused ice jams and flooding.

SWOT Mission Unlocks a New View of Our Waterways
SWOT Mission Unlocks a New View of Our Waterways

Explore how rivers move, change, and sustain life across the planet with SWOT data.

A Most Unusual Lake
A Most Unusual Lake

Lake Unter-See in Antarctica, sealed beneath thick ice, contains unusually high levels of dissolved oxygen and cone-shaped microbial reefs resembling some of Earth’s oldest fossils.

A Little Town with a Long Name
A Little Town with a Long Name

A NASA luminary from the Apollo era grew up in Wales near Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.