Planetary scientists know that some of Jupiter's and Saturn's moons likely possess subsurface liquid-water oceans. These "ocean worlds," such as the Jovian moon Europa and the Saturnian moon ...

That is why astrobiologists are increasingly turning their eyes toward icy bodies like the Jovian moons of ... but no consistent liquid water is known on any moon or planetary surface aside ...

The moon's presumably huge ocean of liquid water, warmed by the stretching and straining exerted on the world by Jupiter's immense gravity, may be home to microbial or other forms of life.

recent simulations of Io show that the tidal heating on the moon is keeping magma liquid below the surface of the planet. However, some of the eruptions on the Jovian moon are so violent that they ...

Jamie Carter is an award-winning reporter who covers the night sky. Illustration of the Jovian moon Io, seen against the backdrop of Jupiter's Great Red Spot. The ... [+] latter is a vast ...

The probe is expected to arrive in the Jovian system in ... was the first to discover water on the moons in 1995. Data captured by the space probe revealed gigantic liquid oceans not only under ...

And while Earth, of course, has plenty of active volcanoes of its own, eruptions on the Jovian moon have ... heat within the moon, keeping its subsurface crust in liquid magma form that seeks ...