Human AchievementsVoyager 1 Nears Historic Light-Day MilestoneNearly 49 years after launch, NASA's Voyager 1 is closing in on a distance so vast that light itself takes a full day to make the trip back to Earth.
TechnologyNASA Engineers Buy Voyager 2 Another Year in Deep SpaceNearly 50 years into its journey, Voyager 2's science mission gets a new lease on life after JPL engineers execute a risky but successful 'Big Bang' power-saving maneuver.