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8 Fascinating Facts About Quicksand
In the 1960s, one in 35 movies featured someone getting sucked into quicksand.
HOW ON EARTH
15 Surprising Facts About Winter Weather
Whether you like bundling up in your coziest gear or are counting the days until spring, you’ll enjoy these facts about winter weather.
10 Chilling Facts About Permafrost
About 11 percent of the Earth’s surface is perpetually frozen, though that will surely change as global warming continues.
What’s the Difference Between Hurricanes, Cyclones, and Typhoons?
Depending on where they originate, these destructive storms go by different names.
Killer Lakes: Why Limnic Eruptions May Be the World’s Rarest Natural Disasters
Two events in Cameroon are the only recorded instances of limnic eruptions. Scientists are trying to prevent a third.
What Is El Niño, and Why Does It Have Such a Big Impact?
How can warm water in the Pacific Ocean affect the weather thousands of miles away? Everything is connected.
What Is a Heat Dome?
Heat domes are masses of hot air trapped within the atmosphere by high pressure. And they're becoming more common, thanks to climate change.
8 Granular Facts About Sand
Every summer at the beach, sand becomes an essential ingredient in the recipe for fun. But what the heck is it?
What’s the Earthquake Risk in Your City? This Interactive Map Shows You
This color-coded earthquake risk map can help you determine your chances of feeling seismic activity in your area.
Watch a Newly-Discovered Mud Volcano Erupt Underwater
Scientists recently recorded an underwater mud volcano—the second discovered in Norwegian waters.
8 Amazing Facts About Earth
Our planet is spinning more than 1000 mph at the equator while simultaneously zipping through space at 67,000 mph.
12 Powerful Facts About Tornadoes
A 2011 tornado threw a 36-ton railcar 400 feet. Here's what you need to know about these super-powered storms.
6 Severe Weather Terms to Know Ahead of Spring Storms
Knowing the difference between these common terms can bolster your safety in severe weather.
8 of the Biggest Tsunamis in History
The biggest tsunami ever recorded reached 1720 feet high—which is taller than the Willis Tower in Chicago.
Blow Hard: 11 of the Biggest Volcanic Eruptions of All Time
Volcanoes do more than just spew lava. They can usher in revolutions, inspire great works of literature, or even convince people they're seeing ghosts.
What is a Supervolcano?
What distinguishes this kind of volcano from regular volcanoes, and what will happen if—or when—one erupts?
20 Cool Facts About the Ice Age
From what causes ice ages and how many we’ve had, to the species that thrived and the ones that died, here’s what you need to know.
How Are Hurricane Categories Determined?
In order to assign a numeric category value to a hurricane, meteorologists look to the Saffir-Simpson Hurricane Wind Scale.
How Do Oysters Make Pearls?
It sometimes starts with a grain of sand—but not always.
15 Amazing Facts About "The Year Without a Summer"
Few volcanoes had had such a dramatic and devastating impact on the world as Indonesia's Mount Tambora.
16 Towering Facts About Mount Everest
Mount Everest is the tallest and highest peak on Earth. Or is it? Here’s everything you need to know about the world’s most famous mountain.
11 Explosive Facts About Mount St. Helens
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.
What Causes a Rainbow If There Isn’t Any Rain?
As the saying goes, you can’t have a rainbow without a little rain. But you can have parhelia and circumhorizontal arcs.
100 Facts About Earth
How much do you know about the blue marble we call home? From how our planet formed to just how many species there are, here are 100 things you need to know about Earth.