How free-roaming bison in Yellowstone National Park are reshaping the ecosystem It's not always for the better.
By listening to these birds for decades, scientists track signs of a changing forest Scientists tracking the birds in an experimental forest in New Hampshire have also tracked changes in the forest ecosystem over decades. Ari Daniel
The world's oldest and largest iceberg will soon be no more The iceberg, known as A23a, has been on a journey following the current into warmer waters for months. Now, it has begun the predicted and natural process of breaking apart, and eventually melting. Kat Lonsdorf
How free-ranging bison are reshaping Yellowstone's grasslands 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. Nathan Rott
Historians find one of the oldest apple trees in North America The tree is on an island off of Maine's coast.
How Europe's disappearing glaciers could change the continent's rivers Europe's Glaciers may disappear by the end of the century.
The Trump administration wants to build more roads through national forests The Trump administration argues that rescinding the 2001 Roadless Rule will help wildland firefighters. Fire researchers warn that more roads could exacerbate the problem. Nathan Rott
Trump administration argues that more roads would help against wildfires The Trump administration is citing wildfire suppression as the reason it's seeking to undo the Roadless Rule. Science suggests more roads will cause more fires. Nathan Rott
Public media stations in rural America say emergency-alert funding is in jeopardy Without Congressionally-approved funding, public media stations say communities will be left with aging infrastructure amid growing risks from extreme weather. Michael Copley
