Scientists studying the rings of Uranus have uncovered evidence that its outer rings contain both water ice and carbon-rich ...

Gliese 581c is a planet that’s about 20 light-years away, hanging out in the constellation Libra. It circles its star pretty ...

For several days this month, Saturn, Mars, and Mercury appear just degrees apart before sunrise—close enough to watch their ...

A rare celestial occasion will light up the Saturday evening skyline, featuring a bright six-planet parade in a special planetary alignment visible to stargazers. Mercury, Venus, Neptune, Saturn, ...

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While Earth only has the one, Jupiter has about 100 that we know of (and likely ...

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While Earth only has the one, Jupiter has about 100 that we know of (and likely ...

Step outside just after sunset and you may catch an unusual sight: six planets strung across the sky in a gentle arc. The phenomenon—often dubbed a “planetary parade”—isn’t a cosmic spectacle in the ...

This weekend, a rare celestial occasion will feature a bright six-planet parade in a planetary alignment visible to stargazers. Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will will appear to ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. From a rare occultation of a bright star and a six-planet ...

Specks of dust from Saturn’s rings appear to float much farther above and below the planet than scientists thought possible, suggesting the rings are more like a giant dusty doughnut. The main ...

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Bundle up and blast off to the far reaches of our Solar System for Ice Giant Night at the historic Cincinnati Observatory. Infrared images of Uranus, its rings and cloud formations (NASA image) This ...