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

The spot we see today isn’t the same one the Italian astronomer Cassini discovered centuries ago, research shows.

Hubble launched to space on April 24, 1990, aboard the space shuttle Discovery. Since then, the space telescope has captured ...

NASA has long been highly visible and is among the most celebrated programs in modern United States history. Some generations ...

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 ...

New data confirms Hubble's finding and refutes current theories of planet formation in the universe’s early days. Thanks to ...

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 ...

This is a montage of NASA/ESA 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 ...

In recent years, Saturn has overtaken Jupiter as the planet with the most satellites in our solar system. How many moons does ...