Before we get into the technical details of the mission, though ... The last time we visited Neptune was with Voyager 2 back in 1989, and it was launched 12 years before that in 1977.

Neptune was Voyager 2's last stop before it traveled to the solar system's edge. The probe entered interstellar space on Nov. 5, 2018. Voyager 2 remains NASA's longest-running mission, even after ...

In 1977, two similar spacecraft were launched from Cape Canaveral, in Florida. These were called Voyager 1 and Voyager 2. Voyager 2 was launched first, on 20 August, and Voyager 1 was launched a ...

Neptune, the farthest known planet, was last visited by Voyager 2 in the 1980s. The Arcanum mission is designed to orbit Neptune and land on Triton, giving insight into both objects of interest in ...

After leaving Earth behind, Voyager 2 embarked on what NASA termed the "Grand Tour," visiting Jupiter, Saturn, Uranus, and Neptune. It continued outward, becoming the second mission to leave the ...

The farthest-flung human-made objects will be able to take their science-gathering even farther, thanks to these ...

A unique view: These pictures of Neptune were obtained by NASA Voyager 2 on April 26,1989. The picture on the top was taken five hours after that at bottom, during which time the planet rotated ...

NASA engineers have revived old thrusters on Voyager 1 to prevent a clog from endangering the mission during a planned ...