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

This upcoming aerial spectacle occurs when the Earth positions itself between the Sun and Jupiter. Here’s how you can watch ...

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

Weather permitting, Jupiter will not only be brighter than most other stars and planets in the evening sky, but will also be ...

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

Jupiter will be at its brightest and most visible in the night sky on Saturday. It will be almost as bright as Venus, and ...

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

The winter stars are like that. They're bright, sparkly and arrive "from a distance" low on the eastern horizon and gradually ...

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 ...

any night throughout the month with favorable weather will be good for viewing the planet as it will remain incredibly bright into the start of the new year. The next time Jupiter appears this ...

See Jupiter at its brightest for the rest of this decade, and one of the best meteor showers will compete with the Moon as it ...

The biggest planet in the solar system will be on display in the December sky as it shines brighter than it has all year. On ...