GEOLOGY

9 Monumental Facts About Chimney Rock

Standing around 325 feet tall from peak to base, Chimney Rock looms like a lighthouse on the Great Plains—and had a starring role in a popular video game.

The World’s Eighth Lava Lake Was Just Discovered on a Remote Sub-Antarctic Island

See the satellite photo that just confirmed the existence of an extremely rare lava lake on a remote island.

What Caused Pangea to Break Apart?

The ocean basins are constantly opening and closing, so what caused Pangea to break apart is slowly putting the next supercontinent together.

Scientists Solve an Ancient Stonehenge Mystery: Where the Massive Rocks Came From

Archaeologists aren't sure how ancient people moved the rocks used to make Stonehenge 4000 years ago. But now, part of the mystery has been solved.

10 Discoveries and Inventions That Are More Recent Than You Think

When you really think about how recent some discoveries we take for granted are, Pluto and Clint Eastwood have a lot in common.

There Are 72,000 Tons of Diamonds Hiding Throughout This Town in Germany

They formed when a crater hit the spot 15 million years ago.

A 2.63-Carat Diamond Was Unearthed by a Grandmother at an Arkansas State Park

She thought she had dug up a piece of glass.

The Mediterranean Sea Could Disappear in the Distant Future

The continents are going to look very different 50 million years from now.

10 Facts About Silicon

If you have a cell phone in your pocket or dirt on your shoes, you’re carrying silicon.

Earth as captured from near the lunar horizon by the Lunar Reconnaissance Orbiter in 2015.

The Science Behind Why the Earth Isn't Flat

Let's review why and how we've known for at least 2300 years that the Earth is round.

8 Science-Backed Tips to Keep Your Feet From Burning on Hot Sand

The beach is wonderful when it's not giving you third-degree burns.

Snorkeler Discovers Gold Nugget Worth $65,000 in Scottish River

Talk about striking gold.

Interactive Map Shows Where Your House Would Have Been 750 Million Years Ago

Trace the evolution of Earth era by era.

R. Sieben, Wikimedia Commons // CC BY 3.0

Yellowstone's Steamboat Geyser Keeps Erupting, and Scientists Aren't Sure Why

In March, it erupted for the first time since 2014—and has erupted six more times since.

15 Facts About Lava

We tried to bomb lava into submission. It didn't work.

A volcano erupts on the Pacific island of Vanuatu, part of Earth's Ring of Fire.

16 Explosive Facts About Volcanoes

Whether they're minor eruptions or cataclysmic explosions like Vesuvius, Tambora, and Krakatau, volcanoes have had a major impact on the world's climate and history.