NASA engineers shut down one of Voyager 2's key scientific instruments to extend the spacecraft's life as its power supply dwindles.
NASA's Voyager 2 helps scientists determine where to end the influence of the solar wind and start interstellar space.
Voyager 2 spacecraft left Earth in 1977, until December 10, 2018, it officially left the Solar System, about 18 billion km from our planet.
A German scientist claims an extraterrestrial creature robbed the US Voyager 2 spacecraft and used it to communicate with the earth.
The Voyager 1 spacecraft is a 722kg (1,592 lb) robot space probe operating outside the Solar System and beyond, launched September 5, 1977.
Both the Voyager 2 and Voyager 1 spacecraft were designed, developed, and built at the Jet Propulsion Laboratory near Pasadena, California.
Telescopes, robots, amphibious robots are learning robot tools used in many missions of automatic space exploration, helping people understand more about the mysterious universe.
The US Air and Space Administration's Voyager spacecraft entered the interplanetary space last year, becoming the first artificial object to leave the solar system.
Voyager 1 was launched by the US Aerospace Agency (NASA) in 1977 with Voyager 2 to explore the stars Thien Vuong, Hai Vuong, Moc and Tho.
After a 33-year journey, the Voyager 1 carried the message of human civilization that surpassed 17.7 billion kilometers, approaching the edge of the solar system.