NASA: National Aeronautics and Space Administration
Astrobiology: Life in the Universe

NAI

NAI ASTEP ASTID Exobiology

You are here: AB Home » Roadmap

Ask an Astrobiologist
"Why are we not seeing novel life forms arising on Earth continually? "
Find out the answer

Astrobiology: Life in the Universe
  • Editor: Linda Billings
  • NASA Official: Mary A. Voytek
  • Last Updated November 6, 2009
Astrobiology Home | NAI | ASTEP | ASTID | Exobiology | Ask an Astrobiologist | About This Site | About Astrobiology