Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.
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.
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.
How, in today's world, could a cave this massive go undetected for so long?
Stratospheric Aerosol Injection (SAI) is a controversial possibility in the effort to slow the rate of climate change.
Archaeologists recently unearthed dozens of mummified cats from a 2,500-year-old Egyptian tomb. So what were they doing there in the first place?
A bubbling mud pool is moving toward the San Andreas Fault, but scientists don't see evidence of an impending earthquake.
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.
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?
Around 90 percent of an iceberg is under the water, but changing weight distribution caused by melting can make it flip.
All that seashell collecting you've been doing actually hurts the environment.
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?
Harmful algal blooms wreak havoc in oceans around the world and occur nearly every summer along the coastline of Florida.
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.
June 21 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.
And it turns out their strange discovery has a straightforward explanation: copper.
Will a town in southern Missouri be the epicenter of the next 'big one'?
The oceans on planet Earth cycle through daily tidal changes. But the ground beneath our feet experiences tides of its own, too.
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 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.
Blue whales are the largest mammal ever known to exist on Earth. So what makes these creatures so huge?
Ocean water is not actually blue, but appears in different shades for many reasons.
Archaeologists discovered three sets of human footprints on a remote island off the coast of British Columbia. They've now determined these footprints are the oldest in all of North America.
Water covers about 71 percent of Earth's surface, but do you know the difference between an ocean and a sea? And which ocean is the smallest?
Ever wondered what's the difference between a river, a stream, a brook and a tributary?
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 we've gathered for your astronomical pleasure.
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