We have long wondered if we were alone in the universe. We’ve sent probes far out into space, landed on the moon and are now exploring Mars in detail. We may yet find signs of life on one of the planets in our solar system but nearly every day, scientists are finding planets around other suns in other parts of our galaxy and beyond. In fact, planets are becoming a dime a dozen but might any of them have life? Answering that riddle is the daily quest for Dr. Ray Jayawardhana. He joins us to talk about what he has found.