NASA: National Aeronautics and Space Administration

  1. Special Note

    Ask an Astrobiologist has received more than 5000 questions about Nibiru and Doomsday 2012, with more than 400 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. Introduction

    Have a question about life in the universe? You’ve come to the right place.

    Ask an Astrobiologist is a service to answer astrobiology questions from the public, both about the origin and evolution of life on Earth and looking forward to the search for life on other worlds. If you have a question, begin by searching our database of more than 1,000 previous questions and answers. If you can’t find the information there, click Submit a Question and have your question personally answered by NAI’s Senior Scientist.

    Note that because of the backlog, it typically takes 2-3 weeks before your answer is posted. Also note that we don’t do school homework, and we try to select questions for reply that are focused on the science of astrobiology.