NASA's Voyager 2 spacecraft flew by Uranus. This was the first time any spacecraft had ever visited Uranus. Its twin ...

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons exist today.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

This January and February, a rare planetary alignment featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune will be visible, with Mercury joinin ...

Unlike the 1974 alignment of Jupiter, Saturn, Uranus, and Neptune captured by the Voyager spacecraft, the planets visible this month will be flung across the sky at varied depths, distances ...

Witness a rare celestial spectacle as seven planets align in the night sky for one night in late February, offering a ...

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the Solar System.