Are we alone in the universe? What can Earth's living creatures teach us about the possibility of extraterrestrial life? What do living things need to survive? How did life begin? Scientists called Astrobiologists look for answers.


Photo from base of Mount Sharp, Mars. Taken by NASA's Curiosity rover. Photo courtesy of NASA.

APA format:

Genetic Science Learning Center. (2013, February 14) Astrobiology. Retrieved October 20, 2016, from

CSE format:

Astrobiology [Internet]. Salt Lake City (UT): Genetic Science Learning Center; 2013 [cited 2016 Oct 20] Available from

Chicago format:

Genetic Science Learning Center. "Astrobiology." Learn.Genetics.February 14, 2013. Accessed October 20, 2016.