Sound can be a useful tool for scientists monitoring wildlife populations. But what if you're trying to monitor species in a raging river? A new tool helps cut through all of the noise.
A new study finds free roaming bison in Yellowstone National Park are reshaping the ecosystem. They have had a positive effect on grasses and soil, but some changes may not be for the better.
The Trump administration argues that rescinding the 2001 Roadless Rule will help wildland firefighters. Fire researchers warn that more roads could exacerbate the problem.