Astrophysicist John Mather, Nobel Prize winner, explores the impact of space on technology, proving the Big Bang Theory, the mysteries of quantum mechanics, leading the James Webb Telescope, and the possibilities of life on exoplanets and becoming a multiplanetary species.

John Mather, senior project scientist of the James Webb Space Telescope, answers frequently asked questions about the telescope. Topics include potential for discovering rocky planets, uniformity of the universe, viewing the TRAPPIST-1 system, future self-replicating telescopes, studying Europa, and Webb's role in exoplanet detection.