"The missions are telling us that the stuff we're made of is not an accident. It's almost common out there." A leading astrobiologist melds her passion with the weighty nature of trying to grasp ...

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Cabrol: I do get the question all the time. I will tell you that we are close. I really do think we are close. Exoplanets are ...

A leading astrobiologist melds her passion with the weighty nature of trying to grasp for answers to two key questions: Are we alone in the universe? How did life on Earth begin in the first place?