A new study hints that Saturn's largest moon, Titan, was created around 400 million years ago, when two massive moons smashed ...

A recent discovery suggests Mars may have once had a much larger moon, which could have caused tides in a lake that once ...

On November 21, Titan will transit across Saturn's disk, an event observable from the U.S. East Coast beginning around 5 P.M. EST and concluding with Titan's full departure from the limb by ...

Pluto pulled Adeene Denton into its orbit during her undergraduate internship at the Lunar and Planetary Institute in Houston. It was summer 2015, when the New Horizons spacecraft zoomed past the ...

NASA’s Cassini spacecraft detected an electrical circuit linking Saturn to its small moon Enceladus, revealing an invisible electromagnetic structure that stretches across hundreds of thousands of ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.