What surface compositions exist on Jupiter’s fourth Galilean Moon, Callisto, and what can it teach scientists about the ...

Discover how NASA's Galileo spacecraft mapped Jupiter's moon Io, revealing volcanic activity that exceeds 1,000°C and uncovering one of the solar system’s most extraordinary geological landscapes.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor Europa is thought to harbor a vast global ocean of liquid water beneath ...

Southwest Research Institute was part of an international team that demonstrated how complex organic molecules (COMs), key chemical precursors to life, could have been incorporated into Jupiter's ...

When did Jupiter’s Galilean moons first contain the ingredients for life? This is what complementary studies published in The Planetary Science Journal and Monthly Notices of the Royal Astronomical ...

Add Yahoo as a preferred source to see more of our stories on Google. A total lunar eclipse is the highlight of the month. For planetary action, Jupiter is well placed most of the night and there are ...

Jupiter hosts more than 100 moons, with most attention focused on the four Galilean moons: Io, Europa, Ganymede and Callisto.

I hope you enjoyed the recent great pictures from comet Churyumov–Gerasimenko (or 67P for short) as much as I did. Launched in 2004 by the European Space Agency, the Rosetta spacecraft finally ...

A new international study co-led by Aix-Marseille University and Southwest Research Institute (SwRI) reveals that the striking contrast in the water contents of Jupiter’s Galilean moons was ...