Hike north on the Appalachian Trail and the scenery slowly transforms. Rugged, steep ridgelines in Tennessee and Virginia soften into the broad summits and smooth peaks of Pennsylvania and New Jersey.

In the whole history of Earth's climate, few events are as extreme as those that geologists call "Snowball Earth." ...

Sediments from Scotland hint that ocean-atmosphere interactions continued more than 600 million years ago despite widespread ice.

Commenters appreciated the clear explanation. Man debunks misleading claim about global phenomenon: 'We are literally ...

This shift, researchers say, marks a climatic tipping point—and it may have shaped the evolution of our species. “Things were ...

The American Energy Alliance President Tom Pyle captured it perfectly: the finding was “weaponized against projects and goods ...

ALYSA LIU'S GOLD-WINNING FREE SKATE ROUTINE! ⭐️ #WinterOlympics pic.twitter.com/mH8tZkFCdK — NBC Olympics & Paralympics (@NBCOlympics)0, 2026 Liu herself is a testament to how brutal figure skating ...

Moose need more than just woody plants to munch. They also need the shade of taller trees in the warmer months, as well as ...

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s ...

We know Aotearoa New Zealand is home to many geographically and biologically special features. Yet few of us know it also has ...