Buzz Aldrin

I think both the space shuttle program and the International Space Station program have not really lived up to their expectations. ”

I understand that Detroit was a pretty rough place to grow up in the '70s and '80s. ”

Not everyone will understand this need for America to lead the world in space. ”

With his deeds, not only words, President Obama has revitalized our struggling space program. ”

Before deciding what to do about national space policy, Obama set up an outside review panel of space experts, headed up by my friend Norm Augustine, former head of Lockheed Martin and a former government official. ”

Having walked on the Moon, I know something about what we need to explore, really explore, in space. ”

Landing in the ocean and waiting for the Navy to come alongside and haul you out of the drink is what space capsules require. And after the capsule is recovered, it would take weeks for the ship to return to port. ”

What's aero braking? That's a way to use the gravity and upper atmosphere of Earth to sling shot a ship out either deeper into space, or slow it down to be 'captured' by Earth's gravity. ”

One of the major problems with long-term deep space human flight is the requirement for radiation shielding. ”

Space architectures capable of supporting a permanent human presence on Mars are extraordinarily complex, with many different interdependent systems. ”