A new study suggests Ganymede—our neighborhood's biggest moon—still has a hot, churning core cranking out its unique magnetic ...

Ganymede, the solar system's largest moon, uniquely generates its own magnetic field. New research suggests its still-forming ...

The two planets, being the two brightest planets in view from Earth, will also be joined by Mercury.

On Wednesday, May 20, skywatchers looking west after dusk will be able to spot the crescent Moon glowing beside Jupiter for ...

On May 20, witness the waxing crescent moon align with bright Jupiter after sunset, creating a stunning celestial display ...

The moon dances with the king of the planets, with the horizon as their stage. When you purchase through links on our site, ...

Jupiter’s moon Ganymede is already famous for being the largest moon in the solar system. At more than 3,200 miles wide, it ...

Galileo’s warning about scientific consensus still resonates centuries later as modern discoveries continue overturning ...

The Moon does not produce its own light. We can see the Moon because it reflects light from the Sun. The Moon orbits the Earth, and as this happens the Moon’s appearance when viewed from the Earth ...

The Jupiter Icy Moons Explorer (JUICE) probe is on its very long journey to Jupiter. It won’t be until after this decade is over that the spacecraft will finally arrive at the King of Planets. Once ...

The Galilean moon Callisto disappears behind Jupiter in an occultation early this morning. The catch is that the event is only visible from the western half of the U.S., but observers farther east can ...

What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary Science Journal hopes to address as a team of researchers investigated the ...