A map from the USGS showed that some rivers were 23,000 percent of their normal median level or higher as of Friday morning.

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

A deadly tornado outbreak spawned more than 20 reports of twisters across the lower and mid-Mississippi Valley on Wednesday ...

Most rivers follow a few basic rules: they flow downhill, join other rivers, and eventually end up in the ocean or a lake. But a new study has found that not all rivers play by these rules. In fact, ...