Saturn, the jewel of the solar system, has returned to the night sky. The ringed planet rises in the east just as the sun ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

Titan's shadow will fall over Saturn during the early morning hours of Sept. 4. Heads up stargazers! The shadow of Saturn's ...

While Saturn has been visible in the night sky all of September, this weekend, the ringed planet will shine its brightest.

ESA is now targeting a mission to study enigmatic Enceladus as part of its Voyage 2050, the agency's long-term plan for space ...

On Sept. 18, 1977, NASA's Voyager 1 spacecraft took a photo of Earth and the moon. It was the first time both the Earth and ...

Earth will move between Saturn and the sun this weekend, offering prime views of Saturn in what's known as "opposition." Here's what to know.

Though the rings appear solid from afar, they’re actually a dynamic, rotating system of icy debris. One theory suggests they ...

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...