Planetary exploration methods are quickly changing from orbital surveys to detailed in-situ analyses, presenting us with the possibility of discovering life outside Earth. This new phase of planetary exploration, characterized by extensive, sustained presence on the surface of the planets, demands new operations and durable technology toolkits with the ability to recognize life autonomously.   Although Science and Technology programs supporting the Mars/Solar System Exploration and Astrobiology needs already exist, each addresses only a small part of the needs, so a program is necessary to fill the gaps in Planetary and Astrobiology requirements. NASA has initiated the ASTEP program to fill these holes. ASTEP will solicit proposals to explore extreme environments on Earth, leading to the development of technology necessary to search for life on other planets.

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Created by: Joanne Emerson Responsible NASA Officials: Dr. Michael Meyer and Mr. David Lavery Last Updated: August 1, 2001