Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.
The Earth is incredibly heavy. How do scientists determine the weight of the Earth?
Huge walls of cascading water never cease to capture our attention with their majesty. Ready to marvel at nature? Check out some of the most beautiful waterfalls in the world.
One evening, people heard their local lake rumbling. A day and a half later, 1,700 people were dead. What happened on that fateful night?
What are they? We'll give you a hint -- or four. Earth, wind, water and fire aren't among them, but our old friend and force gravity is.
Emperor Qin ordered 7,000 generals, cavalrymen and archers to protect his mausoleum. What's so odd about that? Well, they were made of terracotta.
Though it may seem disgusting to some, people all over the world must use waste water to irrigate their crops. Can you get sick from wastewater irrigation?
Sand dunes belch, moan and hum. They roll across the desert, seeking out new locales. You might even say they breed. It's no wonder people call these giant sand formations lifelike.
Did you know that sand dunes can sing? And, their artistic curves certainly make for a gorgeous photograph. In fact, you might call the sand dune the diva of the desert.
When some people hear the word "dinosaur," they immediately think of outdated technology. Does that mean that the dinosaurs themselves were failures?
The Dead Sea is host to tourists who visit in droves to soak in its mineral-rich waters. Is the saltiest body of water in the world about to dry up?
Many scientists believe that the impact from a massive asteroid was what killed off the dinosaurs. It's what started the Age of Mammals. But what if the asteroid had missed?
Sometimes dinosaur fossils are too large and heavy to display without damaging them. How are those enormous models built? And what makes them look so realistic?
Ever since its discovery in 2000, a dinosaur fossil named Leonardo has held the interest of paleontologists the world over. A 3-D model of the animal even toured the world. So what's the big deal?
Scientists believe that water pressure kept many dinosaurs from swimming. But does that mean that none of these massive animals took a prehistoric skinny-dip?
Some people believe that dinosaurs were relatives of today's birds. But, you might ask, if that's so, why didn't they have feathers? Funny you should ask.
It's not a trick; before you are a number of reptilian footprints in the rock. They're dinosaur tracks, preserved for thousands of years. But how did they possibly get there?
Early explorers drove flags into the ground to claim territories. But no one bothered to float a flag in the oceans. For the most part, we peaceably shared the oceans until we realized what valuable goods could be found in their dark and murky depths.
Everyone knows that once a bone has fossilized, it's hard as a rock, right? So how did scientists find soft tissue inside a broken dinosaur bone?
Dinosaur eggs and the embryos inside can teach us a lot about dinosaur reproduction and behavior. But how do scientists get the rocky embryos out from the equally rocky shells?
It's colorless, odorless and definitely life-sustaining, but is it invisible to the naked eye? Not usually. So what's going on with everyone's favorite liquid?
Hollywood makes T. rex seem fast and agile, but some scientists think it was a scavenger, like a vulture. So which was it?
Rough times call for creative measures. The world is filled with oceans, and oceans are filled with wave energy that could potentially be transformed into power. Is wave energy a viable fossil fuel alternative?
Without water, Earth would be a barren and lifeless planet. But did you know the Earth's water supply has not increased or decreased for billions of years? No wonder hydrologists are so fascinated by water.
Ocean conservation has been a popular topic in many environmental debates recently. This collection of pictures show just why ocean conservation is so important.
We all know the cartoons of prehistoric people running from dinosaurs aren't realistic. But many animals living today have ancestors from that time.
What's the Difference Between Manta Rays and Stingrays?
July 10, 2020