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.
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Surprisingly, living in a city with a high level of natural radiation doesn't have any ill effects.
By Alia Hoyt
The prehistoric penguin was the size of a small adult human, which says a lot about penguins' evolution.
The Cuvette Centrale peatlands hold astounding amounts of carbon scientists had never fully mapped. The new discovery emphasizes a need for protection.
Recent icebergs and unexpected glacial rifts are indicating that something troubling is going on beneath the ice.
Sea level change, plastic pollution and invasive species aren’t just political issues — they’re likely signs of a new epoch called the Anthropocene, geologists say.
The uncut gem is 3 billion years old and may fetch $70 million.
Snorkelers found what looked to be the ancient ruins near the Greek island of Zakynthos, but not all that glitters is gold.
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?
From dinosaur skeletons to petrified wood, fossils help us learn about prehistoric creatures' anatomy and physiology. See pictures of incredible examples of fossils from around the world.
When it comes to fossils, specimens like Sue the Tyrannosaurus rex grab much of the attention. And while Sue is a staggering 67 million years old, she's a new kid on the block, compared to some of the oldest fossils ever found. What's older than Sue?
Birds then dinosaurs or dinosaurs then birds? It's a lot like the chicken-and-egg question, only with paleontologists. Who's arguing what these days, and what are they citing as evidence?
By Robert Lamb
Whether they're underwater or on dry land, caves can offer up dramatic views and provide homes for exotic plants and animals -- and sometimes people, too.
When some people hear the word "dinosaur," they immediately think of outdated technology. Does that mean that the dinosaurs themselves were failures?