Is billionaire's 'risky' space flight about research or tourism? - The Week
- Is billionaire's 'risky' space flight about research or tourism? The Week
- SpaceX delays Polaris Dawn astronaut launch until at least Aug. 30 due to bad weather Space.com
- For His Second Trip to Space, Billionaire Has Grander, Riskier Aspirations The New York Times
- SpaceX pauses Falcon 9 launch of Polaris Dawn Reuters