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

Sometimes rivers split into branches in unusual ways, reflecting the complexity of Earth's water system on land and how much we still must learn about it.

Known as the Laskárska mokraď wetland, it formed as a result of mining below the ground which caused it to subside. The ...

Rivers join downstream, flow downhill, and eventually meet an ocean or terminal lake: These are fundamental rules of how waterways and basins are supposed to work. But rules are made to be broken.

An ongoing campaign is fighting the construction of 42 hydropower plants on the Hron River in Slovakia. The Hron is the second longest river in Slovakia and a left tributary of the Danube. The ...

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 ...