Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space Flight Center ...

Having looked at 30 years of observations of Neptune from the Hubble Space Telescope and the Keck Observatory in Hawaii, planetary scientists have come to the conclusion that the planet’s clouds ...

Scientists using Hubble to observe the frosty giant planet Neptune discovered that the large “dark spot” storm churning in its atmosphere has done something unexpected. The storm, which ...

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

Why it's so special: This iconic montage features images of Jupiter, Saturn, Uranus and Neptune captured between 2014 and 2024 as part of the Hubble Space Telescope's Outer Planet Atmospheres ...

During a routine sweep of the outer solar system, the Hubble Space Telescope caught a new and mysterious "dark vortex" in the clouds of Neptune, according to NASA. The space agency jointly ...

This is a montage of Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over ...

Astronomers may now understand why the similar planets Uranus and Neptune are different colors ... the NASA Infrared Telescope Facility, and the Hubble Space Telescope, researchers have developed ...