In the midst of her search for life on other planets, astrophysicist Sara Seager's own world is shattered when her husband is told he has stage three cancer.

Professor Sara Seager is a planetary scientist and astrophysicist. She has been a pioneer in the vast and unknown world of exoplanets, planets that orbit stars other than the sun. Her ground-breaking research ranges from the detection of exoplanet atmospheres to innovative theories about life on other worlds to development of novel space mission concepts. Now, dubbed an "astronomical Indiana Jones", she on a quest after the field's holy grail, the discovery of a true Earth twin. Dr. Seager earned her PhD from Harvard University and is now the Class of 1941 Professor of Planetary Science and Professor of Physics at the Massachusetts Institute of Technology. Professor Seager is a 2013 MacArthur Fellow and was named in Time Magazine's 25 Most Influential in Space in 2012.

This story originally aired on April 30, 2014.