Geology
Geology is the study of the composition and physical properties of rocks, minerals, gems and other related earth materials, including diamonds and crystals. Scientists gain an understanding of the Earth's history by studying its composition.
World War II Relics Still Haunt Pacific Waters
What will Earth look like in 5,000 years?
5 Most Amazing Caves
7 Power Crystals for Protection and Positive Energy
Carnelian Meaning: Healing Properties, Benefits, & Symbolism
Creating Crystal Grids: A Step-by-Step Guide
Velociraptor Alert: The Feathered Dinosaur Quiz
The Rockin' State Fossils Quiz
10 Extinct Hominids
Learn More / Page 3
If fettuccine rock exists on Mars, it would suggest the existence of microbial life there.
You can see these rocky formations in the Badlands of Nebraska, and they're as awe-inspiring as they are eerie.
By Mark Mancini
The U.S. is full of exceptional geological formations. But these five set the bar high as far as landmarks go.
By Mark Mancini
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This white-hot metal not only makes beautiful jewelry, it's coveted for industrial, medical and military purposes too.
By Alia Hoyt & Desiree Bowie
Permafrost across the globe is rapidly melting. What could this mean for the future of the planet?
By Mark Mancini
Let's take a look at some of the strongest metals on Earth and their surprising uses.
By Dave Roos & Sascha Bos
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.
By Mark Mancini
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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.
By Dave Roos
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.
Geologists agree that the world's landmasses were once all one supercontinent. Is it likely to happen again?
By Mark Mancini
If geology has taught us anything about Earth's history, it's that nothing is permanent. And that goes for mountain ranges, all of which are constantly rising and falling.
By Mark Mancini
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The sea scorpion may have been the largest bug to ever live on the Earth, according to a recent find. Learn more about the giant sea scorpion.
By Josh Clark
Are dinosaurs real? Most people don't have to travel too far to answer that question in the affirmative with some kind of exhibit displaying dinosaur fossils. Or simply look at any bird you can see outside your home.
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.
By Debra Ronca
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?
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Anthropologists specialize in, well, us. But studying humankind doesn't mean you have to hole up in a library or laboratory. Take a peek at this article to learn more about the dynamic, enriching field of anthropology.
At best, fossilization is a long and tricky process that mineralizes an occasional Tyrannosaurus rex or other extraordinary find. How has that affected our chances at charting a model of life itself?
By Robert Lamb
It's easy to trace the evolution of the automobile. Your family tree poses a whole different challenge. Even an extensive genealogy chart can only reach back so far. So how do we chart the evolution of the human race?
By Robert Lamb
You likely heard that paleontologists uncovered a cache of dinosaur embryos, bone fragments and eggshells in China. You also may recall that we've made crazy leaps forward in genetics and genomics. Can we put the two together and create a dinosaur?
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The 1993 movie "Jurassic Park" did a good job of bringing the idea of cloning dinosaurs into popular culture. It portrayed dinosaur cloning in a way that made sense to a lot of people, but is it really possible?
Every time a new fossil is found, one of the first things scientists determine is how old that fossil really is. But how do they determine it, and how can they be completely accurate?
Saber-tooth cats have long been likened to tigers, but they aren't tigers at all. While they share some physical traits and hunting practices with tigers, saber-tooth cats are also quite different.
Earthquakes and volcanoes get all the press. But the landslides they trigger are often more devastating. What makes the ground suddenly rip downhill, taking trees and homes with it?
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Researchers discovered that everyone's favorite prehistoric cat had some seriously big bones — even as a youngster.
By Robert Lamb
The Cuvette Centrale peatlands hold astounding amounts of carbon scientists had never fully mapped. The new discovery emphasizes a need for protection.