Thirty years ago, on Aug. 25, 1989, NASA’s Voyager 2 spacecraft made a close flyby of Neptune, giving humanity its first close-up of our solar system’s eighth planet. Marking the end of the Voyager ...

More than 30 years have passed since the Voyager 2 fly-bys of Uranus and Neptune. I discuss a range of lessons learned from Voyager, broadly grouped into process, planning, and people. In terms of ...

Why it's so special: Only one spacecraft has ever visited the eighth and most distant planet from the sun. On Aug. 25, 1989, NASA's Voyager 2 spacecraft took the first-ever close-up images of Neptune.

WASHINGTON (AP) — Neptune’s glowing auroras are captured in the best detail yet by NASA’s James Webb Space Telescope. Hints of auroras were first faintly detected in ultraviolet light during a flyby ...

On May 1, 1949, Neptune's moon Nereid was discovered by the Dutch astronomer Gerard Kuiper. This was the second of 14 moons discovered at Neptune. It was also the last one to be discovered with ...

On Aug. 20, 1977, NASA launched the Voyager 2 spacecraft on a mission to explore the outer planets. Despite its name, this was the first of two Voyager missions NASA launched that year. Thanks to a ...

NASA's James Webb Space Telescope has captured a detailed image of Neptune's auroras, making it the first observatory to do so. Though Voyager 2 was the first spacecraft to fly by Neptune, detect its ...

In 1986 and 1989, Voyager 2 made the final two stops on its grand tour of the outer solar system when it swept by Uranus and Neptune, respectively. Now, nearly 40 years later, the archive of data the ...