Do you dream of a career studying horses? If so, you'll want to meet Sandra Olsen, a zooarchaeologist who has been learning about how humans domesticated wild horses.
What's a high school chemistry teacher from Florida doing in Antarctica studying the winds? She's helping researchers understand global warming by tracking how the winds transport snow.
It takes only about a month for any change in Antarctica's weather to be felt in North America—pretty remarkable when you consider that Antarctica is 12,874 kilometers (8,000 miles) away.
The weather station names paint quite a picture of Antarctica—Penguin Point, Ski-Hi, and Windless Bight. Which one would you guess had the lowest temperature? And what month was it recorded in?
Only a small fraction of the 400-plus known species of extinct dinosaurs have appeared on TV and movie screens. Meet some of the more unusual members of T. rex and Velociraptor's family tree.
Can you match up these eight dinosaur fossil photos with their descriptions? It's harder than you think!
How much do you know about the Age of Dinosaurs? Brush the dust and other sediment off your brain, and test your paleontology knowledge with this interactive quiz.
How much do you really know about horses? Test your equine knowledge with this interactive quiz. Don't worry, there's no grading—just a helpful look at the answers when you're done!
For three months in the early 1800s, earthquakes shook two pioneer towns in Missouri—and permanently changed the course of the Mississippi River. Relive that time with this 12th-grader from Wisconsin.
About 390 million years ago, the warm, shallow Catskill Sea covered New York State. As the water retreated, it left layers of sedimentary rock and fossils, as this 12th-grader discovered.