
Guests Bret Drake, Clarence Sams and Wendell Mendell explain future missions, the requirements of future explorers and the scientific and economic implications.

Guests Julie Kramer White and John Curry discuss the Orion in Low Earth Orbit and its missions to the International Space Station.

Clarence Sams explains what we learn about the human body and exploration by conducting missions in low Earth orbit onboard the International Space Station.

Guest Kathy Laurini discusses lunar missions and lunar habitats in preparation for conducting missions to Mars.

Guest Bret Drake discusses how hardware tests and missions to the International Space Station and the Moon all tie together to help us explore Mars.

Atlantis lifts off from Kennedy Space Center on the STS-125 mission to repair and upgrade the Hubble Space Telescope.

High Definition videos preview the upcoming space shuttle mission to upgrade the Hubble Space Telescope.
View Hubble HD Videos

Stunning views of the home planet, from NASA's unique perspective in orbit.

The STS-119 crew captured these dramatic images of the International Space Station as Discovery flew around the orbiting complex after undocking.

President Barack Obama is joined by members of Congress, including former astronaut Sen. Bill Nelson, right, and school children as he talks Tuesday, March 24, 2009, with astronauts on the International Space Station from the Roosevelt Room at the White House.