Astronomers pointed the James Webb Space Telescope at a common kind of planet that's bigger than Earth but smaller than Neptune. What they saw wasn't what they expected.

The images taken by Voyager 2 when it passed Neptune in 1989 were originally processed to better reveal its distinctive features, but as a result they made the planet look too blue. P. Irwin ...

Neptune, the eighth planet from the Sun, is known for its weird and violent weather. ... This in turn could force rising motions, condensation and increased cloud cover," Sromovsky notes.

In a groundbreaking study, astronomers describe the strange atmosphere of a Neptune-like exoplanet more than 400 light years away. The discovery could yield vital clues about our own solar system.

Mordasini notes TOI-849b could have lost its gas during its formation, with the star nearby stripping it down to the core because of its huge gravitational pull. A collision with another planet ...

Two less visible gas giant planets, Neptune and Uranus, are visible in September if you... STAR NOTES Be patient, and you ll see Neptune and Uranus in the September skies ...

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 ...

When Voyager 2 flew by Neptune in 1989, it sent back images that were processed to better reveal features like bands and a dark spot. But a new study says it's actually a greener planet.

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 ...