At the time, the Earth would have been far closer to the moon than it is today, making it perhaps twice as large in the lunar ...

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

A group of swirling storms at Jupiter's north pole are bouncing off each other, like bumper cars at the fairground.

Jupiter’s moon Callisto passes near the planet’s northern limb, shortly before Io transits and Ganymede emerges from the gas ...

Wausau Pilot & Review Central Wisconsin stargazers have plenty to see this week, with celestial events ranging from a ...

One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

A celestial leap is set to take place over two nights as the moon and Jupiter will appear to dance near to each other in the ...

polar orbit that brings it close to Jupiter and its moons every 53 days. Still, during those flybys, Juno has amassed a bevy of high-quality data about Jupiter's atmosphere, including at the ...

New data from the orbiter has unveiled some of the treacherous conditions of not only Jupiter, but its moon Io, the most volcanic body in the solar system. The findings, which come after Juno has ...

NASA Juno spacecraft data has been used to create an animation of "Steeple Mountain" and a lava lake known as Loki Patera on ...