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Environmental Science
The environment is truly a thing of beauty and should be protected whenever possible. What can we do to save the environment, and what new technology is available to help us?
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What’s So Special About Platinum?
This white-hot metal not only makes beautiful jewelry, it's coveted for industrial, medical and military purposes too.
The Geology Behind 5 American Landmarks
The U.S. is full of exceptional geological formations. But these five set the bar high as far as landmarks go.
Toadstools Are Mother Nature's Geological Mushrooms
You can see these rocky formations in the Badlands of Nebraska, and they're as awe-inspiring as they are eerie.
Cross Seas Are Rare But Dangerous
Cross seas may looks super cool. But you never want to get caught up in the grid-patterned waves they generate.
A Season for Change: The Equinox and Solstice Quiz
Each year, Earth sees two equinoxes and two solstices. But how much do you actually know about these events? Take the quiz and find out!
Fettuccine Rock Could Signal Life on Mars
If fettuccine rock exists on Mars, it would suggest the existence of microbial life there.
Is It OK to Take Sand Dollars Off the Beach?
Everyone loves foraging for seashells at the beach, but the true jackpot is finding a perfect unbroken sand dollar. However, taking one home may not be such a good idea.
Where Does Water Come From?
Water surrounds us, falling from the sky and pouring from faucets, and yet many of us never ask where it comes from. The answer stretches way back — before tides and thunderclouds to the big bang.
Mushroom Burial Suit Creates Life After Death
The Mushroom Burial Suit is designed to give our dead bodies new life by breaking them down and nourishing the soil.
The Rockin' State Fossils Quiz
To honor their prehistoric pasts, most U.S. states have designated official state fossils, ranging from trilobites to dinosaurs. Take our quiz to learn more!
Climate Change Could Destroy Doomsday Vault
In a devastating twist of irony, a warming climate in Norway is already damaging the Svalbard Global Seed Vault.
What Is Cave Popcorn?
Caves are full of incredible geological formations, including stalagmites and stalactites. But you've probably never seen anything like cave popcorn before.
Do Wind Turbines Cause Health Problems?
Green, clean energy sounds good at first: Harness the power of the wind to run our creature comforts. But could the sounds people hear (and don't hear) from wind turbines endanger their health?
5 Things You Didn't Know About Paleoart
"Will draw dinosaurs for food" is what they like to think they do. But it's actually way more complicated.
5 Things You Didn’t Know About the Spring Equinox
The spring, or vernal, equinox traditionally marks the first day of spring — but climate scientists use a different date altogether. Find out more about this and other facts about the spring equniox.
Antarctic Prone To 'Ice Quakes' Every Night, Study Finds
Scientists set up two stations to capture this strange seismic activity.
Ethiopia's Church Forests Are Last Oases of Green
It's traditional for forests to surround churches in Ethiopia, and now they're providing the last tree canopies in a country that's been heavily deforested. But will they survive?
Nevada's Fly Geyser Is a Manmade Wonder
The decades-old geyser was created by accident when a geothermal company tried to drill a well. Now the strange geyser is open to tourists for the first time ever.
Mexico's Giant Crystal Cave Is Beautiful But Deadly
Massive gypsum crystals were discovered beneath Mexico's Sierra de Naica Mountain in very inhospitable environs — to humans anyway.
Where Have All the Aquanauts Gone? The Story of Sealab
Sealab was a U.S. Navy program that allowed undersea divers to go deeper and stay underwater longer. So why did it disappear?
What Did Your Address Look Like 250 Million Years Ago?
The Ancient Earth visualization map shows the movement of the planet's tectonic plates in a really cool way.
New Technology Turns a Sunny Day into Safe Water
A new technology can speed the purification of water using sunlight, potentially providing clean water to billions of people.
What Do the Numbers Inside Recycling Symbols on Plastic Items Mean?
There are seven different numbers you might see on a plastic container. And each number has its own meaning.
Have We Hit the Peak Recycling Point?
The forward momentum on recycling has stalled in the U.S. and other countries, but some experts say there's still potential for growth.
Here's Where to Find the Cleanest Air in the World
Some cities, even large ones, are making big strides in improving air quality.
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