Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.
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.
Many scientists believe that humans influence Earth at a rate so massive that a change to the geologic time scale is in order.
EXXpedition founder Emily Penn will captain the 300, all-female crew in its first Round the World sailing voyage.
Cobalt is associated with the color blue, but it's so needed for rechargeable batteries that the U.S. put it on the list of minerals it can't live without.
It's perhaps one of the strangest fossils ever discovered. We'll explain how it came to be 15 million years ago, and how hikers found it in the '30s.
What's as strong as steel but half the weight; able to live in almost any body part and an important part of both airplanes and cake frosting? Would you believe, titanium?
Permafrost across the globe is rapidly melting. What could this mean for the future of the planet?
The world has only had time zones since the late 1800s. Some people think we should eliminate them and have just one universal time instead.
This white-hot metal not only makes beautiful jewelry, it's coveted for industrial, medical and military purposes too.
The U.S. is full of exceptional geological formations. But these five set the bar high as far as landmarks go.
You can see these rocky formations in the Badlands of Nebraska, and they're as awe-inspiring as they are eerie.
Cross seas may looks super cool. But you never want to get caught up in the grid-patterned waves they generate.
Each year, Earth sees two equinoxes and two solstices. But how much do you actually know about these events? Take the quiz and find out!
If fettuccine rock exists on Mars, it would suggest the existence of microbial life there.
Water surrounds us, falling from the sky and pouring from faucets, and yet many of us never ask where it comes from. The answer stretches way back — before tides and thunderclouds to the big bang.
To honor their prehistoric pasts, most U.S. states have designated official state fossils, ranging from trilobites to dinosaurs. Take our quiz to learn more!
Caves are full of incredible geological formations, including stalagmites and stalactites. But you've probably never seen anything like cave popcorn before.
"Will draw dinosaurs for food" is what they like to think they do. But it's actually way more complicated.
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 about the spring equniox.
Scientists set up two stations to capture this strange seismic activity.
The decades-old geyser was created by accident when a geothermal company tried to drill a well. Now the strange geyser is open to tourists for the first time ever.
Massive gypsum crystals were discovered beneath Mexico's Sierra de Naica Mountain in very inhospitable environs — to humans anyway.
Sealab was a U.S. Navy program that allowed undersea divers to go deeper and stay underwater longer. So why did it disappear?
The Ancient Earth visualization map shows the movement of the planet's tectonic plates in a really cool way.
Sastrugi are gorgeous snow formations found in the polar north, but they're also no fun to travel over.