Discover how telescopes make it possible to look back in time and study the history of the universe, and how Webb will provide new details on galaxy evolution over time. The earliest pages of cosmic history are blank, but Webb will allow us to look back farther in time than ever before, helping to fill in the lost pages of the universe’s story. Credits Video: NASA, ESA, CSA, Leah Hustak (STScI), Dani Player (STScI)