NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

Hubble’s OPAL program tracks Jupiter, Saturn, Uranus, and Neptune Seasonal and atmospheric changes revealed over a decade Key insights into gas giants’ weather systems shared by NASA ...

Discover what the Hubble Outer Planet Atmospheres Legacy program has learned about the outer planets, including Jupiter, Saturn, Uranus, and Neptune.

Over the last ten years, OPAL has observed Uranus' northern hemisphere, which has faced the inner solar system for the ...

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 understand ...

The Hubble Space Telescope has been imaging the outer planets of our solar system for a decade, learning about their strange ...

From 2014 to 2024, the NASA/ESA Hubble Space Telescope has been studying the outer planets under a program called OPAL (Outer ...

Jupiter’s poles have long been a focus of intrigue for planetary scientists. Recent studies have uncovered massive dark ...

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 nearly ...

Encountering Neptune in 1989, NASA's Voyager mission completed humankind's first close-up exploration of the four giant outer ...

Astronomers have just discovered a planet called TOI-3261 b and this rare Neptune-sized planet has a year which lasts just 21 hours. This means it completes its orbit around its star in less than a ...

Magnetic Tornadoes Researchers have observed mysterious, "dark ovals," each roughly the size of the Earth, dotting the polar ...