The residents of Bayou Corne, Louisiana, woke up one morning in 2012 and found a gigantic sinkhole devouring their town.
There's much more to the Wyoming landmark than what you saw in ’Close Encounters of the Third Kind.’
They may not be as “precious” as diamonds or emeralds, but these scarce gems are just as valuable—if not more so.
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.
In Northern Ireland, thousands of hexagonal stone columns of various heights rise out of the North Atlantic Ocean and climb up to the foot of a cliff, as if they had been placed by a massive mythical creature.
The biggest tsunami ever recorded reached 1720 feet high—which is taller than the Willis Tower in Chicago.
Many of the world’s biggest caves have been discovered just in the past few decades. Here are some of the most impressive.
What distinguishes this kind of volcano from regular volcanoes, and what will happen if—or when—one erupts?
Scotland is known for the rugged beauty of its mountainous landscape.
When it blew on May 18, 1980, Mount St. Helens became the most explosive volcanic eruption in U.S. history. And no, it’s not done.
Two unlucky drones were sacrificed to capture this incredible footage from inside an active volcano's crater.
The 555-carat black carbonado diamond is purported to be from outer space, though some experts are questioning its origin story.
The Appalachian Mountains occupy a towering spot in North American cultural identity, thanks in part to the Appalachian Trail. The rugged peaks have been influencing the continent for a lot longer than we’ve been around to appreciate them.
The metal known as pyrite fooled gold rush enthusiasts in the 1800s, but it turns out the material may contain gold after all.
When the Allison and Roberto Mignone Halls of Gems and Minerals reopen at the American Museum of Natural History on June 12, they will feature a new exhibit of animal-inspired jewelry.
At Pizza Pacaya in Guatemala, customers can order a pizza pie cooked with lava from an erupting volcano.
When the long-dormant Geldingardalsgos volcano erupted in Iceland this month, scientists took the opportunity to have a lava-fueled barbecue.
The legendary summit is now nearly 2 feet taller, thanks to China and Nepal thawing out their contentious debate over its size.