The story grew sharper through analysis of the stream-length (SL) gradient index, which flags knickpoints—sudden drops or ...

A conservation plan will help preserve 6,000 acres of land in northern New Mexico, a region that frequently appears in the ...

In the Alaskan Arctic, a quiet revolution in permafrost science is rewriting what we thought we knew about frozen ground and ...

Farms and cities use so much of the Colorado River's water that little remains for the river's own ecosystem. Will ...

Finding a quiet trail during peak season feels harder every year, but there are still routes where you can... The post Hiking ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...