Water levels on the Mississippi River are nearing historic lows for the second consecutive year, triggering a drinking water emergency in Louisiana as ocean water flows upstream, unimpeded by the ...

A cottonwood tree remains standing on an eroded bank of the Gardner River following historic flooding in Yellowstone National Park on June 19, 2022, in Gardiner, Montana.

Preliminary tests reveal that Montana’s Yellowstone River isn’t posing a threat to the public after a train carrying hazardous materials fell into the waterway.

COLUMBUS, Mont. — A bridge that crosses the Yellowstone River in Montana collapsed early Saturday, plunging portions of a freight train carrying hazardous materials into the rushing water below ...

Several train cars are immersed in the Yellowstone River after a bridge collapse near Columbus, Mont., on Saturday, June 24, 2023. The bridge collapsed overnight, causing a train that was ...

The Park County Environmental Council co-hosted an online community presentation on March 19 with the Upper Yellowstone Watershed Group, re-examining results from the Yellowstone River Recreation ...

The latest phase of Montana Fish, Wildlife & Parks’ ongoing collaboration with the Custer Gallatin National Forest to conserve native Yellowstone cutthroat trout in the upper Shields River ...

In 1872, when Congress established the world’s first national park near the headwaters of the Yellowstone River, the principal selling point was its incomparable array of spouting geysers ...

And the waves were extremely long: The Colorado River wave stretched for at least 165.9 miles, or 267 kilometers, while the Ocmulgee River wave was about 102.5 miles, or 165 kilometers.