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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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Velociraptor Alert: The Feathered Dinosaur Quiz
Birds are — quite literally — living dinosaurs. Our quiz will test your knowledge of the fluffy, downy and winged dinos of the bygone Mesozoic era, from little Microraptor to the enormous Yutyrannus.
Tiny Island of Niue Is World's First 'Dark Sky Nation'
Though certain parks or preserves have gotten the International Dark Sky Place designation before, this remote South Pacific island became the first entire country to be so honored.
The Stratosphere: Where Birds and Planes Fly and Bacteria Thrives
The stratosphere is the second-lowest level in Earth's atmosphere. It's a bastion of ozone gas and rapid winds, where clouds are scarce, but life endures.
7 Hot Facts About the Pacific Ring of Fire
The Pacific's Ring of Fire is a 25,000 mile long "ring" that's home to 75 percent of all the world's volcanic activity and 90 percent of the planet's earthquakes. So what makes this area so active?
Is Old Faithful Petering Out?
Since its discovery in 1870, the Wyoming cone geyser Old Faithful has wowed spectators with its predictable eruptions, but its eruptions are not quite as predictable or prodigious as they once were.
What Is an Ice Volcano?
Ice volcanoes form when it's freezing cold outside and choppy water is forced to erupt through a hole in the ice around a body of water, cascading down into the classic shape of a volcano.
Young, Rural Climate Strikers Are Going It Alone
Even having to strike alone hasn't deterred these youth from getting out the message regarding the impending climate crisis. And what keeps them going, they say? Greta Thunberg.
Lawns to Legumes: Minnesota Pays Homeowners to Plant 'Bee Lawns'
The rusty patched bumblebee (Bombus affinis) is on the verge of extinction and the state of Minnesota is doing something about it.
River-bottom Bones: The Strange World of Underwater Fossil Hunting
Not all fossils are found on dry land. In fact some of the most fascinating fossil finds in history have been submerged for centuries.
Scientists Say: Hey, Hikers, Stop Stacking Rocks!
It may seem cool to stack rocks for fun or artistic purposes but moving rocks may inadvertently threaten small mammals and insects and contribute to soil erosion.
What Are Single-use Plastics and Should They Be Banned?
China has joined the more than 120 countries outlawing certain types of single-use plastics, those convenient but controversial plastics we've all become so used to. What exactly are they, though, and is banning them really necessary?
Quiz: Can You Tell Climate Change Fact From Fiction?
Earth is a complex place, and its climate follows suit. That may explain why many of us are still confused about climate change. Think you can tell the facts from myths? Find out with this quiz and learn a little something along the way.
What Will Earth Look Like in 500 Years?
"The 26th century" doesn't roll off the tongue as easily as "the 21st century" does. But that hasn't stopped us from imagining what our hometown planet will be like in a few hundred years. Any guesses?
Why Is the Tropic of Cancer Important?
You've probably heard of the Tropics of Cancer and Capricorn, but do you know the difference?
Why Is the Tropic of Capricorn Important?
You've probably heard of the Tropics of Capricorn and Cancer, but do you know the difference?
6 Stone-cold Facts About the Arctic Circle
The Arctic Circle is a region marked by frigid temperatures, strange sunlight and glaciers galore. And for hundreds of thousands of people, it's also home sweet home.
Who Was the World's First King?
This is not an easy question to answer, thanks to the mists of time. But historians have put forth several possibilities. An ancient tablet claims one king ruled for 28,000 years!
It Takes a DJ: Healthy Reef Sounds May Lure Fish to Damaged Reefs
If it looks like a party is on, maybe they'll come back. Playing the sounds of a noisy, healthy coral reef can attract important fish species to devastated reef habitats.
Why Does the 'Dirty Dancing' Lake Keep Draining?
Mountain Lake in Virginia is best known for its starring role in 'Dirty Dancing.' But today, it's nothing more than a muddy pit that's all but dried up ... and geologists think they may know why.
How the Ancient Land Blob Gondwana Became Today's Continents
Gondwana was a humongous landmass that persisted for 300 million years before it began to break up, forming all the continents in the modern Southern Hemisphere.
Polymer SunBOTs Imitate Sunflowers to Create Maximum Solar Energy
These new devices may be used in the future to absorb more of the sun's energy than today's solar panels are capable of collecting.
How Artificial Glaciers Are Hydrating the Himalayas
Ice stupas are artificial glaciers that store frozen water to be used for hydrating crops in the driest stretches of the year in the high desert of Himalaya.
Plate Tectonics Puts Together the Puzzle of Earth's Shifting Crust
The Earth is unique in the solar system because its surface is made of moving plates, which may enable the very existence of life.
Green or Blue? The Best Turquoise Is More Valuable Than Diamonds
Cultures all over the world have treasured turquoise for its color and rarity for thousands of years — from Native American jewelry and Aztec and Mesoamerican art to King Tutankhamun's death mask.
How the Salton Sea Became an Eco Wasteland
California's largest inland lake has essentially become a ticking ecological time bomb. And the clock is running out — fast.
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