A scientist has created the best-ever global color map of Neptune's big moon Triton, using images taken by a NASA spacecraft 25 years ago. Paul Schenk of the Lunar and Planetary Institute in Houston ...

Neptune’s atmospheric temperature is on an unexpected roller-coaster ride, and it could take decades for scientists to piece together what’s happening at the distant planet. Each Neptune year lasts ...

On August 25, 1989, Voyager 2 sailed past Triton, capturing our first real look at Neptune’s moon. With half the moon lost in shadow, we only got a glimpse of the icy moon. Now that footage has been ...

NASA’s Voyager 2 spacecraft gave humanity its first close-up glimpse of Neptune and its moon Triton in the summer of 1989. Like an old film, Voyager’s historic footage of Triton has been restored and ...

Triton, in orbit around the gas giant Neptune, has been imaged like never before in a new color map, created from NASA observations from 1989. Paul Schenk, from the Lunar and Planetary Institute, ...

This story has been corrected to reflect that Neptune will actually complete its first orbit around the sun, since being discovered, in 2011. Subscribe to read this story ad-free Get unlimited access ...

Neptune is the farthest planet from the sun and was the first to be predicted before it was discovered. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...