NASA: National Aeronautics and Space Administration


Ask an Astrobiologist
"How do we know that life arose from nonliving material? Is there experimental data to confirm this?"
  1. Special Note


    Ask an Astrobiologist has received more than 2500 questions about Nibiru and 2012, with more than 200 answers posted. Please read a summary of the answers that have already been posted, view a video on these topics, use the search feature and read the FAQ’s before submitting questions on these topics.

  1. Question

    Why is Mars an important planet to us?

    Use the search engine to find many references to Mars in previous questions to Ask an Astrobiologist , and I am sure it will become obvious why Mars is of such great interest to astrobiologists.

    David Morrison
    NAI Senior Scientist

    November 18, 2003