Beaches around the world come in many colors, from the familiar golden and white sands to rarer hues like pink, red, and even ...

It’s almost certainly as close as I’ll ever get to walking on the moon. Surrounded by giant sandstone-coloured volcanic rock ...

Basalt, the dominant volcanic rock along the Pacific Ocean's "Ring of Fire," is considered a melting product of the Earth's mantle. On the left is vesicular basalt, in which dissolved gases formed ...

The Palisades cliffs west of New York City rear up from the Hudson River like the spine of some ancient beast—and that impression is not far off. Their basalt backbone is a remnant of an immense lava ...

One of the largest canyons in our Solar System carved its way through several layers of ancient volcanic eruption debris, a recent study reports. Valles Marineris is a titanic network of deep cracks ...

Oregon's state geologist, Ruarri Day-Stirrat, has put forward a new purpose for the ancient volcanic rock lurking beneath the state: storing planet-warming carbon dioxide deep underground to combat ...