Buzz Aldrin envisions colonization of Mars | VIDEO INTERVIEW | The San Francisco Chronicle

Speaking of the Future: Scientific Discovery | Lockheed Martin

America’s Next Spaceship: ORION | Air & Space Magazine | "Designed to go where no man has gone before."

Physician & NASA Astronaut: Dr. Bernard Harris' Presentation

SOFIA Airborne Observatory Hosts Oregon, Washington Educators

NASA Advocates for Mars Mission to a Packed Room at Comic-Con | io9

"Science Record!": Scene 2 | International Space Station

"Science Record!": Scene 1 | International Space Station

Guam | International Space Station

Apollo 11 Celebration, Next Giant Leap on This Week @NASA

X-STEM Presentation with Former Astronaut Dr. Kathryn Thornton | USA Science & Engineering Festival

The smoky pink core of the Omega Nebula | ESO

Aurora Near Australia: Scene 2 | International Space Station | NASA

Aurora Near Australia: Scene 1 | International Space Station | NASA

NASA's Next Great Leap! | Animated GIF Gallery

Orion Multi-Purpose Crew Vehicle | Lockheed Martin