Yet much about the landscape under the ice has been uncertain, because ground and air surveys are difficult in the region.

A study published in Nature shows that many of the world's major river deltas are sinking faster than sea levels are rising, ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

​​Rivers may seem as old as the hills, but they have life cycles just like other natural features do. Many grow and make ...

The Gila River has long been more than just a body of water; it has been a lifeline for the Native communities who have lived ...

This is the terrifying moment locals flee as a tidal river surge hits Indonesia. Footage shows residents scrambling from ...

Add Yahoo as a preferred source to see more of our stories on Google. An area flooded by the Snohomish River in Snohomish, Wash., on Dec. 11,. (David Ryder/Reuters) Portions of western Washington ...

Portions of western Washington state have experienced a month’s worth of rain within the past few days, causing historic flooding, damaging mudslides and more than 100,00 people facing potential ...

Western Washington residents woke up Monday to their final hours of dry weather before a powerful atmospheric river unleashes 10-15 inches of rain on the region’s mountains and triggers widespread ...

Monday started wet in parts of northwest Oregon and western Washington, and things were only expected to get wetter. A strong atmospheric river is expected to bring inches of rain to the area between ...

An atmospheric river will bring heavy rain and the risk of flooding to parts of the Pacific Northwest this week, meteorologists say. “The forecast remains on track for a prolonged atmospheric river to ...