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Earth Science
Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.
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Ancient Rock Arches Sing Songs
These ancient wonders aren't static sculptures; they vibrate and shift throughout the day, creating a variety of sounds as they stretch their aging, eroding 'bones.'
Lapis Lazuli Found in Teeth of Medieval European Woman
The pigment ultramarine was as expensive as gold in medieval Europe; so how did it end up in the teeth of a nun buried at a monastery in rural Germany?
Peat Bogs Are Freakishly Good at Preserving Human Remains
What makes these spongy, waterlogged areas of decaying plant matter so perfect at preservation? In a word: science.
Earth's Magnetic North Pole Has Rapidly Shifted in the Past 40 Years
Prior to the mid-1990s, the magnetic north pole traveled at speeds of around 9 miles per year. Now, it's 34 miles annually. What accounts for the acceleration?
Earth's Missing Crust Was Removed by Glaciers, New Study Says
Researchers hypothesize that missing rocks from the geologic record, known as the Great Unconformity, were sheared away by glaciers at a time when most — or all — of the world's surface was coated with ice.
What Makes a 'Killer' Lake Explode?
Lakes seem like serene places to escape and enjoy peace and quiet. So you'd probably be surprised to learn that a lake can actually explode without warning. It's happened, with deadly consequences.
Gigantic Undiscovered Cave Found in British Columbia
How, in today's world, could a cave this massive go undetected for so long?
Could Injecting Particles Into the Stratosphere Slow Global Warming?
Stratospheric Aerosol Injection (SAI) is a controversial possibility in the effort to slow the rate of climate change.
Ancient Egyptians Believed Cats Had 'Divine Energy'
But that doesn't mean they worshipped them.
Massive Underground Mud Geyser Is California's 'Slow One'
A bubbling mud pool is moving toward the San Andreas Fault, but scientists don't see evidence of an impending earthquake.
Tidal Bores Are Rare, Fast and Have Epic Waves
The super-cool phenomenon of tidal bores happens in only a few places on the globe, and it takes a very specific set of conditions to occur.
What Causes High Tide and Low Tide? Why Are There Two Tides Each Day?
The oceans' levels change daily across the globe. We know them as tidal changes. But what causes this constant shift in sea level and why is it more dramatic is some places than others?
What Causes an Iceberg to Flip?
Around 90 percent of an iceberg is under the water, but changing weight distribution caused by melting can make it flip.
Where Have All the Seashells Gone?
All that seashell collecting you've been doing actually hurts the environment.
Stonehenge Was the Final Resting Place of Foreigners, Study Finds
Some of the cremated remains buried at Stonehenge came from a spot in Wales that's more than 100 miles away. How did that happen?
Red Tide Menaces Florida Coast
Harmful algal blooms wreak havoc in oceans around the world and occur nearly every summer along the coastline of Florida.
What's Behind the Gemstones 'Raining' From the Kilauea Volcano
Twitter was abuzz with reports that pretty green gems were spewing out of the Kiluaea volcano in Hawaii. But the experts took the shine off these speculations.
5 Things You Didn’t Know About the Summer Solstice
June 20 marks the summer solstice, the longest day of the year. There's even a midnight baseball game in Alaska to celebrate the 24 hours of sunlight.
Anthropologists Discover Mummified, Green Baby Hand
And it turns out their strange discovery has a straightforward explanation: copper.
Earthquakes on the Mississippi: The New Madrid Seismic Zone
Will a town in southern Missouri be the epicenter of the next 'big one'?
Rising Rock: Earth's Crust Has Its Own Tides, Too
The oceans on planet Earth cycle through daily tidal changes. But the ground beneath our feet experiences tides of its own, too.
Who Was Alexander von Humboldt and What Is the Humboldt Current?
He might be the most important scientist you've never heard of, but the ocean current that bears his name helped shape the development of evolutionary theory.
The Sahara Desert Is Getting Bigger
The Sahara has expanded by about 10 percent in the past century, mostly due to natural causes, but not all. We can blame the rest on man-made climate change.
Why Are Whales So Big?
Blue whales are the largest mammal ever known to exist on Earth. So what makes these creatures so huge?
Why Is the Ocean Different Colors in Different Places?
Ocean water is not actually blue, but appears in different shades for many reasons.
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