The question of whether there is life in our galaxy may have already been answered by a spacecraft called Kepler, which was named for the man who calculated how the planets in our solar system move.
According to NASA, the Kepler Spacecraft a has identified and calculated the movements of more than 3,500 possible planets, but its search is over now due to a malfunction.
Matthew Holman is a Smithsonian Astrophysicist and lecturer at Harvard University. He was also a part of the Kepler team. He joins The Takeaway discuss Kepler and whether it will ever search the stars again.