Hank talks about astrobiology - the study of and search for life in the universe off Earth. Right now, the field has more questions than answers, but all they all seek to answer that one fundamental query: are we alone in the universe?

Hank talks about astrobiology - the study of and search for life in the universe off Earth. Right now, the field has more questions than answers, but all they all seek to answer that one fundamental query: are we alone in the universe?

How can you study Mars without a spaceship? Head to the most Martian place on Earth -- the Atacama Desert in Chile. Astrobiologist Armando Azua-Bustos grew up in this vast, arid landscape and now studies the rare life forms that have...

It was the scene of the most cataclysmic natural disaster in American history, a place of unimaginable devastation. Today, the crater of Mt. St. Helens Volcano is experiencing a rebirth — it’s the site of the world’s newest glacier. Not...

Jason Dworkin, Chief of the Astrochemistry Laboratory, talks about solving problems, analyzing comets, and the great team of people working to answer science's biggest questions.<b<b<br/>r/>r/>

Jamie Cook, an astrobiologist at the Goddard Space Flight Center, talks about her work in the lab and some of her most exciting discoveries.<b<b<br/>r/>r/>