At the uppermost reaches of stream networks, headwaters dry up during the summer, then burst back into existence when spring brings rain. These nonperennial headwater streams are individually small, ...

An analysis of satellite imagery of major river systems in the Philippines has revealed surprising insights into how rivers behave, with significant implications for river management in tropical ...

New Curtin-led research has revealed that water played a far bigger role than previously thought in shaping Earth's first continents, transforming the planet's early crust and helping to build the ...

A season on the Northern Forest Canoe Trail—stretching from the Adirondacks to northern Maine—reveals fresh possibilities for an ancient route.

The Astrogeology Science Center, which has helped astronauts and robots reach other worlds safely, is facing a substantial ...

Sardinia’s Costa Smeralda is this region’s calling card, but travel beyond and you’ll discover low-key beaches, distinctive ...

The idea that extreme heat could one day cause a mass extinction and end the dominance of humans is not as farfetched as it ...

Historically, there have been four oceans: the Atlantic, Pacific, Indian, and Arctic. On Feb. 9, U.S. Secretary of the ...