Astronomy Cast Ep. 586: Life As We Know It: Habitable Exoplanets & Extremophiles

Astronomy Cast Ep. 586: Life As We Know It: Habitable Exoplanets & Extremophiles by Fraser Cain & Dr. Pamela Gay As scientists continue to explore the Earth, they're discovering life, surviving and even thriving in extreme environments. What hints can this give us about what we might find as we search for live on other worlds.