Long ago, people studied jellies by peering over the side of a boat and drawing the creatures as they bobbed nearby. See how much has changed since the 1800s.
Qori Kalis is the largest outlet glacier of Peru's Quelccaya ice cap. See firsthand how it (like all tropical glacier ice) is melting because of global warming.
From the Great Blizzard of 1888 to the sinking of the Titanic, see how NAO may have affected history. Then look at how it may affect the future.
Travel to Southern California to see surface evidence of the region's 300-plus faults that can produce earthquakes.
Ever wonder why some organisms flash, blink, or glow? Discover how by making your own land and ocean creatures that generate light.
For 140 million years giant dinosaurs called sauropods roamed Earth. Help students investigate the success of the largest land animals ever with this practical and printable exhibition guide for educators.
Solving math equations, reading books, even thinking about thinking, the brain's abilities are amazing. But it can be fooled. Find out how with these fun and easy experiments.
Taiwan may be a small island, but it's home to more kinds of butterflies than any almost other place in the world — about 400 species have been discovered by scientists. Find out why.
Whether 4.5 billion or 900 years old, every rock has a story to tell, giving us clues about the history of the Earth. Explore these stories by looking at igneous, sedimentary, and metamorphic rocks.
Sauropods dominated the Earth for 140 million years. How did they reach their massive sizes? What did they look like, how did they move, and what did they eat? Enter the lab to discover the answer first hand.
Do you have what it takes to go on a space mission to the Red Planet? Take this quiz to find out!
Yellowstone National Park lies above a stationary hotspot deep in Earth's mantle. See how previous volcanic eruptions of the hotspot have left a trail of calderas that ends, at the moment, with Yellowstone.