Tracking the rotation speed of solid planets, like the Earth and Mars, is a relatively simple task: Just measure the time it takes for a surface feature to roll into view again. But giant gas planets ...

Using new data from NASA’s Cassini spacecraft, researchers believe they have solved a longstanding mystery of solar system science: the length of a day on Saturn. It’s 10 hours, 33 minutes and 38 ...

For decades, astronomers have been awed by Saturn’s ring beauty. But a tiny, icy wanderer drifting between Saturn and Uranus ...

Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, throughout the year the planet's rotation can speed up and slow down, with one ...

Early risers will get a rare opportunity to see something extraordinary in the early hours of July 18 — the dark shadow of Saturn's largest moon, Titan, sweeping across the planet's cloud tops. Once ...

The moon and Saturn make a great pair in the sky tonight. Saturn and a nearly full moon will rise in southeastern skies just after sunset in the Aquarius constellation. The moon will be bright and ...

Saturn could be more visible than typical this weekend for Michigan stargazers. Saturn, the sixth planet from the sun in the solar system, will be in opposition Sunday, Sept. 21 — appearing opposite ...

JWST observations of Saturn's atmosphere revealed unprecedented details of its aurora and upper atmosphere, including previously unseen, complex structures. In the ionosphere (1100 km altitude), dark, ...