This summer, skywatchers will be treated to a rare spectacle visible from Earth: the shadow of Saturn’s largest moon, Titan, ...

A 6-mile-think shell of methane ice on Saturn's moon Titan could assist in the hunt for life signs arising from this moon's vast subsurface ocean.

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

A massive NASA spacecraft is ready to set sail for Jupiter and its moon Europa. The craft, named Europa Clipper, will determine if conditions there could support life.

July 2025: What’s in the sky this month? Venus tracks through Taurus, more Titan transits at Saturn, and Jupiter reappears ...

A NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth.

A massive NASA spacecraft is ready to set sail for Jupiter and its moon Europa. The craft named Europa Clipper will peer beneath the moon’s icy crust and determine whether conditions there could ...

Scientists are studying Saturn's moon Titan to assess its tidal dissipation rate, the energy lost as it orbits the ringed planet with its massive gravitational force. Understanding tidal ...

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

Saturn’s moon Enceladus has geysers shooting up, but it’s much farther than Jupiter. Ditto for Saturn’s moon Titan, also suspected of having a subterranean sea.