GEOLOGY

These stunning U.S. canyons drew massive crowds in 2024. Find out which natural wonders topped the list, based on National Park Service data.

Visitors stuffing coins into Northern Ireland’s famed basalt columns are unintentionally damaging this natural wonder and costing the country thousands.

Australia’s biggest natural wonder is a huge draw for tourists and fish alike. Here’s everything you need to know about the world’s most famous reef.

To predict quakes, scientists have to understand how they occur, what happens just before and during the start of one, and whether it shows signs that movement is imminent. So far, none of those things is known.

A surprising discovery in Wyoming has challenged long-held ideas about dinosaur migration.

New Zealand’s open-access fossil database makes it easier for scientists to collaborate.

Chemical signatures from the Chicxulub asteroid’s impact—which caused a mass extinction on Earth 66 million years ago—match those of carbonaceous meteorites formed beyond Jupiter.

The nightmare scenario described in an influential 2008 study may end up being less destructive than scientists thought, but Angelenos still shouldn't get too comfortable.

The title of “tallest mountain” depends on how—and where—you make your measurements.

Caves and volcanoes don’t often go hand-in-hand in our imaginations, but the second most common type of cave in the world is made from the power of volcanoes.

Two events in Cameroon are the only recorded instances of limnic eruptions. Scientists are trying to prevent a third.

Every summer at the beach, sand becomes an essential ingredient in the recipe for fun. But what the heck is it?