Tia Ferguson is a NASA engineer who spent four weeks in Antarctica on a science mission. This photo gallery documents Ferguson's trip and describes the experience in her own words.
In Aug. 2007, the STS-118 space shuttle mission launched with 10 million cinnamon basil seeds onboard. Nearly all of the seeds were returned to Earth for students to grow in plant growth chambers, but 16 seeds were left on the ISS, along with two plant growth chambers. Flight Engineer Clayton Anderson grew plants from the seeds and documented the plants' growth by photographing the plants as they grew.
See fun pictures of things you don't see on Earth.
A total of 47 high school and college teams participated in the 15th Annual Great Moonbuggy Race, held April 4-5, 2008, at the U.S. Space & Rocket Center in Huntsville, Ala.
View images that reflect how microgravity affects how objects move, experiments react and people live.
Innovation, creativity, problem solving -- the world of robotics at NASA is all of these things. See pictures of NASA robots in action.
See images of rocket parts, NASA's launch vehicles and rocket pioneers.
Follow a team of college students through a week in NASA's Microgravity University.
Take a stroll down memory lane, with an eye focused on the future. From the Mercury program to the International Space Station, from the space station to the moon, and from the moon to Mars, spacesuits have and will continue to have an important role in human space exploration.
Astronauts make walking in space look easy. But astronauts use a lot of tools and equipment to help them do their job and stay safe. This gallery is filled with photos of astronauts on spacewalks.