NASA's discoveries reveal water's prevalence beyond Earth, from subsurface oceans on moons to vapor in exoplanet atmospheres.

Here's a round-up of space missions and cosmic events just around the bend in 2025. Several companies will attempt moon ...

NASA's Juno mission finds a massive lava lake in Jupiter, offering new insights into volcanic activity beyond Earth and the planet's Galilean moons. ... Europa, Callisto) and smaller satellites.

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...

Stunning new Jupiter photos from NASA’s Juno spacecraft reveal storms, cloud bands, and its volcanic moon Io as the mission nears its final orbits around the gas giant.

Local students make finals in NASA competition. NASA’s Power to Explore Challenge asks students to create a mission to a moon using radioisotope power systems.

NASA’s Power to Explore Challenge asks students to create a mission to a moon using radioisotope power systems. ... Her mission, the Callisto Hidden Ice Probe, ...

NASA said the heat in RPS is made by the natural radioactive decay of plutonium-238. Coyan wrote an essay entitled "Ambition: The Rover on Callisto."Callisto is outmost of the four Galilean moons ...

Since Callisto also has an intense ionosphere, the team decided to test their methods on 30-year-old measurements taken by NASA's Galileo mission. That mission launched in 1989 and scanned Jupiter ...

Callisto, the outermost of Jupiter’s 95 moons, first caught NASA’s attention back in the 1990s when the Galileo spacecraft detected an unusual response to the planet’s shifting magnetic field.

The new evidence regarding Callisto comes from a somewhat surprising place: old data. NASA's Galileo mission, which launched into space in 1989, was designed to study Jupiter, its moons, and its ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...