Deep within the forests of Siberia, there is a mountain of stone that rises from its surroundings at a single point. It is estimated to be 40 meters high, 160 meters wide, and weigh approximately one ...

At a volcanic observatory in Kyushu, Saki Manabe, who is in charge of calibrating ash collectors, was woken up by a radio ...

Step out onto the trail for some spectacular views along sandstone cliffs, within hidden caves, and full of wildlife to ...

About 7,700 years ago, Mount Mazama’s climactic eruption pushed pyroclastic flows as far as 43 miles down every valley ...

The River Runs Through It Act, introduced by Montana Rep. Ryan Zinke, would protect just a fraction of public National Forest ...

Saturn reaches opposition this month, Neptune lingers near Saturn, Mars transits the Beehive, and Jupiter is occulted by the ...

NASA’s Curiosity rover marked 5,000 Martian days by sending back a striking panorama that blends morning and afternoon views ...

Volcan Villarrica rises above Pucon as a broad, glacier-covered cone, its summit marked by an active open crater. The ...

Two kids, boys about 10 years old, walk past the bar to the hostess stand of a popular restaurant in Aspen, Colo. “We’d like ...

Extreme places reveal the planet at its most dramatic, from open lava and giant underground spaces to freezing and toxic environments.

Colombia’s Santa Isabel glacier has lost 36% of its area since January 2025, with just 7 hectares of ice remaining.

Arizona's tallest mountain is a nearly 13,000-foot high dormant volcano that's a hiking paradise in summer and a snow sports ...