How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it ...

If there's no magma ocean, where does the 'melt' come from that emerges from the volcanoes as lava? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

This weekend will bring a striking event for sky watchers, as Jupiter is will be at its biggest and brightest. This is a great opportunity to look up and see one of the brightest objects in the sky.

Europa, one of the four large moons of Jupiter first seen by Galileo 414 years ago, may have a deep, salty, global ocean hidden beneath a thick crust of ice. Where there is water, there might be life.

KENNEDY SPACE CENTER — NASA’S Europa Clipper is headed to Jupiter’s ocean moon, looking to determine if life is possible in the place in our solar system some scientists consider most hospitable ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

The U.S. government shut down the same day Juno's last mission extension expired, putting the status of the mission in limbo.

Scientists in Prague built Selina, a device that mimics icy space particles. It may help decode NASA’s Europa Clipper data ...

WASHINGTON (Reuters) -Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star.