Earth Science

Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.

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Our World Is Rich With Places to See Real Dinosaur Tracks

Where on the planet can you visit to see with your own eyes the tracks left by dinosaurs? Fossilized dino footprints might be just outside your back door, but here are good places to start.

Just 10 River Systems Contribute Up to 95 Percent of Plastic in Oceans

Environmental researchers found that large river systems with lots of surrounding residents are the sources of plastic debris in the oceans.

Saber-tooth Kittens Were Big-boned

Researchers discovered that everyone's favorite prehistoric cat had some seriously big bones — even as a youngster.

5 Things You Didn't Know About the Autumnal Equinox

The autumnal equinox is the day Earth is perfectly angled to the sun, so the day and night are of equal length. Well, almost.

Roman Ruins Discovered Underwater in Tunisia

Archaeologists discovered what they believe to be ruins of the Roman city of Neapolis — underwater near Tunisia.

The Caspian Sea Is Evaporating Due to Rising Average Temperatures

The Caspian Sea is the largest lake in the world, but it's gradually shrinking thanks to a changing climate.

There's a Second Huge Plastic Garbage Patch in the Pacific

Scientist and oceanographer Charles Moore confirmed the existence of a second huge plastic garbage patch in the Pacific Ocean.

What Happens Next to A-68, Antarctica's New Gigantic Iceberg?

Scientists are tracking the massive iceberg A-68, which recently calved from Antarctica's Larsen C ice shelf, to see where it drifts and whether it breaks up.

How Do Scientists Track Sea Level?

Measuring sea level has changed almost as much as the tides during the 200 or so years scientists have been tracking it. Find out how it's tracked today.

The World's Largest Waterfall Is Deep Underwater

The Denmark Strait cataract dwarfs every other waterfall in the world, but you can't see it because it's deep under the Atlantic Ocean.

How Rain and Snow Could Play a Role in Triggering Earthquakes

Scientists have found that snow and rain trigger earthquakes. Could their study help predict the Big One?

Scientists Crack Another Mystery Behind Blood Falls

Antarctica's Blood Falls looks like a geological horror scene. For decades, scientists weren't sure why. Until now.

Why North America's Lakes Are Getting Distressingly More Salty

Salt used in the winter to deice roadways is having an impact on hundreds of lakes across the region.

How England Broke off From Mainland Europe 450,000 Years Ago

Talk about a Brexit! Scientists have clues to catastrophic flooding that destroyed a land bridge that once connected England and France.

Arctic World Archive Puts Data on Ice for 1,000 Years

You might be in trouble when the end of the world is near, but at least your data won't be.

Hot or Not: What Makes Some Places Naturally High in Radioactivity

Surprisingly, living in a city with a high level of natural radiation doesn't have any ill effects.

Newly Discovered Fossil Reveals Ancient Penguins Were Huge

The prehistoric penguin was the size of a small adult human, which says a lot about penguins' evolution.

Matrilineal Dynasty Unearthed in Ancient Pueblo Community

And archaeologists figured it out with just a little DNA.

450 Huge Geometrical Earthworks in the Amazon Hint at Past Civilizations

Although the trenched enclosures were probably used to conduct rituals, they can tell us how the ancient indigenous people of the Amazon managed their forests.

Scientists Warn Climate Change Is Suffocating the World's Oceans

Climate change may be melting glaciers, but it's also reducing the oxygen of the world's oceans. Without oxygen, many marine organisms may no longer be able to survive.

Changing Climate Taking Its Toll on Colorado River Flow

The American West may seem rugged, but it's a fragile environment. 21st-century flow levels for the Colorado are down 19 percent from 20th-century averages.

Gorgeous 'Jewelry Ice' Is Washing Up on Japanese Beaches Right Now

The unique, annual sea ice phenomenon is created when pure, salt-free river water hits cold, saline seawater near the beaches of Hokkaido.

World's Largest Tropical Peatland Identified in Remote Congo Swamps

The Cuvette Centrale peatlands hold astounding amounts of carbon scientists had never fully mapped. The new discovery emphasizes a need for protection.

Human Penis Bone Disappeared With Rise of Monogamy, Succinct Sex

Most mammals have a penis bone called a baculum, but humans don't. A new study sheds light on the history of the baculum, and why ours is missing.


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