A recent study has uncovered a long-forgotten landscape hidden beneath the vast expanse of Arabia’s Empty Quarter—one of the ...

"These hydrologic oddities illustrate how much we have still to learn about Earth's dynamic surface," researchers said in a ...

Just over half the world's population shares a river or lake basin with at least one other country. To sustainably manage those water resources for the health of people, ecosystems and economies ...

Rivers, lakes, wetlands and other freshwater environments supply water ... In the last century, two thirds of the world's precious wetlands were lost. Numbers of freshwater animals have declined by ...

The desert that we see today in Arabia was once a region that repeatedly underwent "green" periods in the past, as a result ...

Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers ...

Susanne Schmeier has not received funding related to this article. Melissa McCracken has not received funding related to this article. Just over half the world’s population shares a river or ...