How did the universe begin? How big is it? Where will it go? What is dark matter? Is dark energy pushing the universe apart? Meet cosmologist and expert supernova-hunter Alex Filippenko, who hopes that supernovas can help us answer some of these big questions. But first we've got to find them! Join Alex and his team as they go on the hunt with huge telescopes and banks of computers, looking for new spots of light in vast fields of stars. It’s what astronomy is all about--the biggest questions there are.