Take the ultimate time-travel adventure, hurtling 50 years into the future before stepping into a wormhole to travel back to the past.

Take the ultimate time-travel adventure with Brian Greene, hurtling 50 years into the future before stepping into a wormhole to travel back to the past. Along the way, Greene reveals a new way of thinking about time in which moments past, present, and future — from the reign of T.Rex to the birth of your great-great-grandchildren — exist all at once.