Papers:

• Miller, Sarah H. and Fesen, Robert and Hillenbrand, Lynne et al. (2014) Airships: A New Horizon for Science. PDF

---

Presentations:

• Kiessling, A. and Diaz, E. and Rhodes, J. and Miller, S. and J. L. Hall, et al. The 20-20-20 Airship NASA Centennial Challenge. AAS, Boston, June, 2014. PDF

---

Media:

• Space.com: High-Tech Airships Could Be NASA's Next Challenge
  December 31, 2014
• LA Times: A contest to build high-flying airships? NASA's thinking about it
  December 2, 2014
• AmericaSpace: Stars Above and Earth Below: NASA's Proposed New Airship Competition Good for Science
  November 30, 2014
• JPL Website: NASA Seeks Comments on Possible Airship Challenge
  November 25, 2014

• Daily Mail: Could Airships Replace Satellites
  August 26, 2014

• The New York Times: Modern Research Borne on a Relic. Airships That Carry Science Into the Stratosphere
  August 25, 2014
• Forbes: Astronomy From High Altitude Airships
  July 29, 2014

• Motherboard: Solar-Powered Blimps Are the New Satellites
  March 6, 2014