Spaceflight covers topics related to human presence in outer space. Learn about weightlessness, astronauts and space tourism in this section.

Shepard, Alan B., Jr.

Shepard, Alan B. (Bartlett), Jr. (19231998), a United States astronaut. On May 5, 1961, he became the first American in space, riding in the Freedom 7 capsule to an altitude of 115 miles (185 km).

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  • How NASA Works

    How NASA Works

    When most people think of NASA, they think of astronauts and Kennedy Space Center, but there's much more to this nearly 50-year-old organization. Learn about the history of NASA, how its structured and exactly what it does. See more »

  • How Project Mercury Worked

    How Project Mercury Worked

    Project Mercury launched the first American into space. Have a look back at this historic mission. See more »

  • How RocketCam Works

    How RocketCam Works

    This video camera hitches a ride on the space shuttle to provide ground control with a bird's eye view of the launch. How could RocketCam have prevented the Columbia space shuttle tragedy? See more »

  • How Space Camp Works

    How Space Camp Works

    Kids from around the world flock to Huntsville, Ala., to attend Space Camp. What's so appealing about science class in the summer, and can a 40-year-old go to camp? See more »

  • How Space Farming Works

    How Space Farming Works

    There's no livestock in space farming, but growing plants in space could allow for long-term exploration and settlements. And with this farm, you don't need to watch where you step. See more »

  • How Space Food Works

    How Space Food Works

    Space food has come a long way from Project Mercury's paste-filled tubes. Today's astronauts select menus that include everything from macaroni and cheese to brownies. So do astronauts really eat space ice cream? See more »

  • How Space Junk Works

    How Space Junk Works

    Humans produce plenty of trash on Earth, but you might be surprised to learn how much we've managed to leave in space. What's floating around up there? And will it come crashing down on our heads? See more »

  • How Space Suits Work

    How Space Suits Work

    We are seeing a lot more space suits now that the international space station is occupied. Learn how space suits work and why they cost $12 million each! See more »

  • How Space Tourism Works

    How Space Tourism Works

    On September 18, 2006, Anousheh Ansari, a telecommunications entrepreneur, became the first female space tourist and the fourth space tourist overall. Could you be next? Find out what's in the works to get you to space. See more »

  • How Spaceports Will Work

    How Spaceports Will Work

    If the future of tourism lies in outer space, then we'll need to blast off those amateur astronauts from somewhere. Compared to the average airport, how space-age will these spaceports be? See more »

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