Voyager 1 Begins its Epic Journey to the Outer Planets and Beyond

After 45 years, the 5-billion-year legacy of the Voyager 2 interstellar probe is just beginning

Earth's perilous journey through the Milky Way's spiral may shape the planet's geology

After 45 years, the 5-billion-year legacy of the Voyager 2 interstellar probe is just beginning