These are fault lines that have been in the NASA program for decades and it’s one of the big challenges for Griffin and his team to ensure we have appropriate robustness in the science and...

It is burdened with old and aging infrastructure, frayed at the edges, costly, some times unreliable, … …any misstep in human spaceflight could spell a very long hiatus in human driven exploration spaceflight in the...

Any misstep in human spaceflight could spell a very long hiatus in human-driven exploration in the US.

NASA cannot succeed alone in pursuing the exploration vision. It’s a breathtakingly full dance card.

The challenges facing successful implementation of the exploration vision are formidable, … ranging from budgetary to the noise-signal ratio of competing priorities facing the political system.

Over the past year there has been significant yardage gained for the Vision for Space Exploration. The credibility of the agency has gone up tremendously. I think that is reflected in the support NASA received...