Artist impression of the Icarus starship accelerating past Jupiter, gaining a valuable boost in speed with the help of the gas giant's gravity, slingshotting it toward its interstellar destination. | Image courtesy Adrian Mann

Sooner, Not Later: Interstellar Voyages a Reality?

Will interstellar voyages be a reality sooner, not later? Find out whether interstellar voyages will be a reality sooner, not later.

June 2, 2011
3:00 AM EDT