Informed by new planetary discoveries and the findings from recent robotic missions to Mars, Jupiter, and Saturn, scientists are rapidly replacing centuries of

Are we alone in the universe? How did life arise on our planet? How do we search for life beyond Earth? These profound questions excite and intrigue broad cross

How did life on Earth begin? How common is it elsewhere in the Universe? Written and edited by planetary scientists and astrobiologists, this undergraduate-leve

Life is a property of the universe. We may not know how it began or where else it exists, but we have come to know a great deal about how it relates to stars, p

Astrobiologists study the origin and evolution of life on Earth and the possibility of life beyond Earth; a question that has fascinated scientists for hundreds