Stephen Hawking joins futuristic bid to explore outer space

Internet investor and science philanthropist Yuri Milner, and a panel of scientists including renowned cosmologist Stephen Hawking, second from left, Princeton physicist Freeman Dyson, science author Ann Druyan, center, Harvard physicist Avi Loeb, third from right, NASA astronaut Dr. Mae C. Jemison, second from right, and former NASA director Pete Worden, far right, announce the new Breakthrough Initiative focusing on space exploration and the search for life in the universe, during a press conference, Tuesday, April 12, 2016, at One World Observatory in New York. The $100 million project is aimed at establishing the feasibility of sending a swarm of tiny spacecraft, each weighing far less than an ounce, to the Alpha Centauri star system. (AP Photo/Bebeto Matthews)