On the evenings of Jan. 17 and 18, the planets will appear virtually side by side, in what's called a “planetary conjunction.

Saturn’s rings, imaged here by NASA’s Cassini orbiter, are one of the solar system’s most reliably spectacular sights. But ...

On Jan. 4, Saturn briefly hid behind the crescent moon, escaping the view of skywatchers in Europe, Africa, western Russia ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.

Venus, Saturn, Jupiter and Mars are all visible to the naked eye just after the sun goes down. Neptune and Uranus can also be ...

Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched down on Titan.

Scientists suggested the enormous object disrupted the orbits of Jupiter, Saturn, Uranus and Neptune, which would explain the peculiarities of these four planets' paths. Prevailing solar ...

Chorus waves, which affect the safety of astronauts and satellites, have been found in a place where their existence was ...