Spaceflight

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?

By Julia Layton

When astronauts talk moonwalking, they don't mean the Michael Jackson dance move. Spacewalks take an entire day of preparation -- and a 240-pound space suit.

By John Fuller

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.

By Jessika Toothman

As the International Space Station astronauts return to Earth after a three-month stay, learn about the effects of weightlessness on the body.

By Craig Freudenrich, Ph.D.

It's launch time for the first privately funded space flight. In the course of battle for the X Prize, a group called Scaled Composites has built and tested SpaceShipOne, a sub-orbital spacecraft intended to carry tourists on the ride of their life. Learn all about the craft.

By Robert Valdes

GPS is great, but it's kind of Earth-centric. If we have our hearts set on traveling to distant planets and faraway stars, then it's time to come up with a new navigation system. NASA, of course, has an idea.

By William Harris

When nature calls, you have to listen. But when you're in microgravity, going to the bathroom can be a major challenge. How do astronauts get the job done?

By Stephanie Watson

How do you eat when you're in a low-gravity environment? Space programs have come up ingenious contraptions and packaging methods to make astronauts' meal times as normal as possible.

By Stephanie Watson

Neil Armstrong may have been the first man on the moon, but he wouldn't have gotten there without fruit flies, rhesus monkeys or a dog.

By John Fuller

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?

By John Fuller

Astronauts risk their lives in the pursuit of science. How does NASA know who can be an astronaut? And what do they do when they're not in space?

By William Harris & Nathan Chandler

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?

By Stephanie Watson

NASA's historic Beach House on Cape Canaveral is the last place many astronauts visit before they blast off into space. Today it's full of mission memories and NASA artifacts.

By Mark Mancini

For the first time since 2011, NASA will launch astronauts into space from U.S. soil. It will also be the first time ever a private company will get them there.

By Mark Mancini

When you think of NASA, you probably think of an all-around professional organization. And you're right. But, those astronauts like to have a lot of fun, too.

By Mark Mancini

In the early days of the space race, several animals went into orbit, including dogs, chimps and one intrepid cat. Who was this forgotten feline from the French space program?

By Nathan Chandler

Nobody's nose knows better than NASA's George Aldrich. He's the longest-serving member of the space agency's odor panel, which basically sniffs and smells everything that goes up into space.

By John Donovan

On July 20, 2021, Wally Funk will blast off. Her trip to space has been delayed since 1961, when the 'Mercury 13' Woman in Space Program was cancelled.

By Michelle Konstantinovsky

Today, Blue Origin flew its billionaire founder Jeff Bezos and three others into space, a week after Virgin Galactic flew its billionaire founder Richard Branson on the same mission. Will space tourism be more than a millionaire's hobby?

By Valerie Stimac

We know space is awash in ultraviolet radiation. So how are astronauts protected from all those UV rays?

By Mark Mancini

The little flies have way more in common with us than you think. And it made them the perfect test animal to send to space.

By Mark Mancini

NASA astronauts have to undergo serious training before becoming approved for a trip to space. But some of that training is certainly not what you'd expect.

By Mark Mancini

In space, poop is often a problem. Maybe it will be part of the solution, thanks to a study showing waste can become protein and fat.

By Nathan Chandler

From sporting goods to movie memorabilia, members of the space program have been inventive about what they take into space. Here are 10 offbeat items that have taken the ride.

By Laurie L. Dove

NASA and other agencies have been studying artificial gravity in hopes they will someday use it to help astronauts combat the effects of weightlessness in space. How close are we to that reality?

By David Warmflash, M.D.