Launched in 1977, the Voyager 1 and 2 space probes have been operating non-stop ... the plutonium-238 fuel source significantly easier to model and predict. Now that with the MMRTG units we ...

Currently located some 15.4 billion miles from our planet, the Voyager 1 spacecraft has been pushing off into deep space since its launch on September 5, 1977. As the lonely spacecraft slowly runs ...

That was the message relieved NASA officials shared after the agency regained full contact with the Voyager 1 space probe, the most distant human-made object in the universe, scientists have ...