CLINGING TO LIFE: If the worst happens, how can we survive?

The article examines studies of space scientists to pierce together life in the universe to understand how to survive today. Topics discussed include role of astrobiology in understanding Earthly threats, according to Professor Adam Frank, an astrophysicist from the University of Rochester, and information on astrobiologist Professor Lewis Dartnell's research on Mars and on how microbial life could survive cosmic radiation on the planet's surface.