Throughout January, four planets will line up in the night sky and be simultaneously visible to the naked eye in the Northern ...

The planet Neptune has a large dark spot "with an unexpected smaller bright spot adjacent to it," inveru observations using ...

Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

NASA's most powerful observatory - the James Webb Space Telescope has provided exciting new details about 2060 Chiron, a unique celestial object known as a centaur that combines features of both ...

The Hubble Space Telescope has spent more than thirty years ... Saturn, Uranus and Neptune, each home to a unique set of atmospheric variables. OPAL data has allowed astronomers to observe weather ...

January's skywatching highlights include four planets visible to the naked eye, Venus and Saturn's conjoin, and red planet ...

A strange asteroid-comet hybrid that orbits between Jupiter and Neptune could reveal key details about the birth of our solar ...

A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in order to ...

The Hubble Space Telescope is nearing its 35th anniversary and skywatchers can celebrate the mighty telescope with a ...

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 ...