Extras

    Video thumbnail: Science Trek Astronauts Video Short

    Science Trek

    Astronauts Video Short

    Learn more about the history of astronauts in the space program.

    Astronauts Video Short

    Video thumbnail: Science Trek The Web Show: Astronauts

    Science Trek

    The Web Show: Astronauts

    Is being an astronaut fun? Find out what it is like to work in space.

    The Web Show: Astronauts

    Video thumbnail: Science Trek Astronauts: On Location

    Science Trek

    Astronauts: On Location

    Find out where astronauts train.

    Astronauts: On Location