Satellite data shows rivers rise and fall less than expected while revealing hidden riverbed shapes and new clues about Earth’s water cycle.

Geologists digging into the massive ice sheet of West Antarctica have discovered the remains of an ancient river system that once flowed for nearly a thousand miles. The discovery offers a glimpse ...

A strange type of stream that isn't protected from pollution by law could impact water quality across the country. These rivers, called ephemeral streams, only flow after rainfall or snowmelt. Last ...

Billions of years ago, it rained on Mars. The water collected in valleys and rivers, filled and spilled over the rims of craters, and was funneled into canyons, perhaps even making its way to a large ...

"There was this gigantic river system": Researchers find ancient lost world deep beneath Antarctic ice. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...