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.

Fresh observations from the James Webb Space Telescope show how vivid auroras surge through Uranus’s tilted magnetic field ...

The waterfall at Ash Cave in Hocking Hills State Park is different. This viral Facebook post explains why. See the video ...

Discover the 10 most beautiful national parks in the U.S., from Yellowstone and Yosemite to Glacier, featuring some of the ...

If you're ready to heat things up in frigid weather, then check out these epic fighting game stages!

Sponsored content Canada stretches from Pacific rainforests to Arctic tundra, with the Rocky Mountains and shimmering Great ...

A new study examined the roles that glaciers play in human lives and the environment that surrounds them, focusing on tourism ...

My colleague just spent two months on a research icebreaker. It changed his perspective on the world in ways he didn’t expect ...

Find peace in this glacier-shaped Illinois park with quiet trails, wetlands, and scenic lakes, an easy escape just beyond Chicago’s busy pace.

A video is spreading on social media with claims that Elon Musk's Starlink internet service enabled a livestreamer to show ...

Glacier Bay National Park in Alaska is a vast wilderness shaped by ice, mountains, and time. Towering cliffs rise above ...