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

Twenty years ago today, I watched TV coverage of a probe descending toward the surface of Titan, a moon of Saturn, while ...

This month offers incredible views of six planets, including Venus-Saturn conjunction. See the dates for all of 2025's ...

Credit: Gianluca Masi/The Virtual Telescope Project While the pair could be seen in the night sky by the unaided eye, ...

There is no surface below. Saturn's made almost entirely of hydrogen and helium gas, which is why it's called a gas giant. 4,000 kilometers above the surface, we hit Saturn's upper atmosphere.

Oct. 25, 2024 — A new study has revealed that methane gas may be trapped within the icy surface of Saturn's moon Titan, forming a distinct crust up to six miles thick, which warms the underlying ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Planetary scientists don’t care about Mimas, Saturn’s smallest moon.

Cassini first discovered evidence of a vast ocean on Enceladus by spotting plumes of water vapor jutting out of Enceladus' surface ... Jupiter's moon Europa or Saturn's moon Enceladus.

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the ...