Ages Past

    Scientists study things left behind to tell the story of what happened in the past. Paleontologists look at bones to help us understand how ancient creatures once survived. Archaeologists and anthropologists study how people lived hundreds or even thousands of years ago. Find out more about what took place in ages past.

    Video thumbnail: Science Trek Dinosaur Basics

    Science Trek

    Dinosaur Basics

    Find out more about dinosaurs.

    Dinosaur Basics

    Video thumbnail: Science Trek D4K: Dinosaurs with David Varricchio

    Science Trek

    D4K: Dinosaurs with David Varricchio

    Why did dinosaurs die off?

    D4K: Dinosaurs with David Varricchio

    Video thumbnail: Science Trek D4K: Fossils

    Science Trek

    D4K: Fossils

    What is a fossil?

    D4K: Fossils

    Video thumbnail: Science Trek D4K: Dinosaurs

    Science Trek

    D4K: Dinosaurs

    What caused dinosaur to go extinct?

    D4K: Dinosaurs

    Video thumbnail: Science Trek Dinosaurs in Idaho

    Science Trek

    Dinosaurs in Idaho

    What kind of dinosaurs are found in Idaho?

    Dinosaurs in Idaho

    Video thumbnail: Science Trek D4K: On a Dinosaur Dig

    Science Trek

    D4K: On a Dinosaur Dig

    What does a dinosaur egg look like? Find out here!

    D4K: On a Dinosaur Dig

    Video thumbnail: Science Trek D4K:  Archaeology

    Science Trek

    D4K: Archaeology

    What did archaeologists learn about life in Egypt from King Tut’s tomb?

    D4K: Archaeology

    Video thumbnail: Science Trek D4K: The Science of Lewis and Clark

    Science Trek

    D4K: The Science of Lewis and Clark

    Lewis and Clark made major scientific discoveries on their journey West. What were some?

    D4K: The Science of Lewis and Clark

    Video thumbnail: Science Trek D4K: Mammoths

    Science Trek

    D4K: Mammoths

    Find out more about mammoths from their fossils.

    D4K: Mammoths

    Video thumbnail: Science Trek D4K: Dinosaurs with Jack Horner

    Science Trek

    D4K: Dinosaurs with Jack Horner

    Learn about dinosaurs from leading paleontologist Jack Horner.

    D4K: Dinosaurs with Jack Horner