While the Grand Canyon is Flagstaff's easy-access claim to fame, this even quicker jaunt from the Arizona city offers ...

From Hawaii’s flowing lava to Alaska’s smoldering peaks, these U.S. states are home to the most active volcanoes, shaping landscapes and posing dramatic natural challenges.

In the 19th century, many people believed that landscapes like the Grand Canyon were shaped by volcanoes and earthquakes. But one American geologist named John Newberry had different ideas.

“The island’s landscape,” he once said ... which barbecues chicken using geothermal heat and serves volcano-shaped chocolate desserts sprinkled with popping candy. Outside, guides pour ...

Beneath the tall peaks of Uturuncu in the Sur Lípez Province of Bolivia, scientists have figured out what is happening in the ...

They were telling me the story of Iceland’s landscape, and if you counted the smoked lamb, all four main actors were present. Volcanoes They’ve built Iceland and kept it above the Atlantic ...

A researcher monitoring Axial Seamount, 300 miles off the coast of Oregon, says the eruption is expected to happen before the ...

In the 19th century, many people believed that landscapes like the Grand Canyon were shaped by volcanoes and earthquakes. But one American geologist named John Newberry had different ideas.