More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

Callisto, one of Jupiter’s largest moons, looks like a boring, crater-filled world. It doesn’t seem to have much going on ...

Join the Dallas Public Library staff for NASA/JPL Solar System Ambassador Donn Anderson’s presentation on The Europa Clipper: ...

Io, Europa, and Ganymede offer a fascinating glimpse into the Jupiter system. Continued exploration will unveil more secrets about these eni ...

Rime of the Ancient Mariner,” by Samuel Taylor Coleridge, is about a sailing ship becalmed at sea when, “down dropt the ...

Water molecules exist on the Moon’s sunlit surface, but the water is lost to space, raising the still-open question of how water on the lunar surface is replenished. The Lunar Trailblazer could ...

NASA's PRIME-1 is set to launch aboard an Intuitive Machines Athena Lander to explore potential resources below the lunar ...

Scientists know that water exists on the moon. The Lunar Trailblazer will help them find it. Footage: NASA JPL/Caltech ...

Scientists observe plastic ice, a rare hybrid of solid and liquid, forming under extreme conditions, revealing planetary ...