A student Odyssey at Libby Center in Spokane has been named as a finalist in NASA's Power to Explore Challenge.

What kind of mission would be best suited to sample the plumes of Saturn's ocean world, Enceladus, to determine if this ...

NASA's Voyager probes passed through Jupiter's system and snapped pictures of its largest moons, also known as the Galilean ...

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

A team, led by Corey J. Cochrane of the Planetary Interiors and Geophysics Group at NASA's JPL, didn't start out looking for an ocean on Callisto. According to Cochrane, the team was working on a ...

Callisto, the second-largest moon of Jupiter ... opens new perspectives for future space missions. NASA's Europa Clipper mission, the European Space Agency's JUICE mission, and China's Tianwen ...

Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered ... If something that small ...

Jupiter’s striking size, swirling gases, and dramatic bands in its atmosphere set it apart from every other planet. One of ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

"Callisto" can refer to either Jupiter's second-largest moon ... potentially harboring a subsurface ocean. Credit: NASA ...