Hi, what do you want to do?
American Institute of Biological Sciences
Action Bioscience: Life From Space: An Emerging Paradigm
Recognize that some people believe that life on Earth came from outer space. Learn about the support for these ideas and what could happen if life would continue to arrive from space.
PBS
Pbs: Origins: Where Are the Aliens?
Was there ever life on another planet? Could there be life on another planet again? What makes the Earth support life? This article investigates these questions in depth.