In 1989, Voyager 2 became the first and only spacecraft to ever fly by Neptune, and images from that mission famously show a planet that's a deep azure color. But in reality, Neptune is far more ...

Though Voyager 2 was the first spacecraft to fly by Neptune, detect its auroras in infrared, and snap a picture of the majestic ice giant, Webb's image offers direct, visible evidence of Neptune's ...

When the Voyager 2 spacecraft became the first and only mission to fly by Uranus in 1986, it defined the way astronomers understand the ice giant. But the data collected by the probe also ...

Finally, Voyager 2 put an end to those arguments once and for all, after it saw Neptune’s ring in its full glory close up. It turns out, Neptune’s ring is clumpy, so some sections are harder ...

It was also the last one to be discovered with certainty before NASA's Voyager 2 spacecraft flew by Neptune in 1989. Astronomers suspected they had observed a third moon before, but it wasn't ...

In 1989, Voyager 2 became the first and only spacecraft to ever fly by Neptune, and images from that mission famously show a planet that's a deep azure color.

In 1989, Voyager 2 became the first and only spacecraft to ever fly by Neptune, and images from that mission famously show a planet that's a deep azure color. But in reality, Neptune is far more ...

Neptune has long been depicted as a deeper, darker blue than its fellow ice giant Uranus, but a new study shows that both are a similar shade of light greenish blue. Listen On now: ...