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.
Drought and water releases drained the Arizona reservoir to levels that have led to widespread fish deaths.
Explore how rivers move, change, and sustain life across the planet with SWOT data.
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 NASA luminary from the Apollo era grew up in Wales near Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.
Oklahoma’s Salt Plains National Wildlife Refuge attracts rare and diverse species—and enthusiasts looking for a distinct type of crystallized gypsum.
Villages and farmland were swamped after unusually heavy early-February rains pushed the Sinú River over its banks.
Vivid green blooms form, drift, and fade in Hartbeespoortdam reservoir over the course of a year.