Astrobiology is working to answer three fundamental questions. Find out what they are and how NASA is coordinating efforts to get to the bottom of them. (4:30 min)
The origin of life is still a mystery to science, even though evolution is now a proven fact. Learn about four theories hoping to shed light on this enigma. (5:00 min read)
Find out about the new discovery showing that life had almost a billion more years to form than previously thought.