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

Catch some morning meteors, see the Moon reach First Quarter, and watch Mars visit the Beehive in the sky this week.

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

A severe weather outbreak that covered a large stretch of the United States from Texas to the Northeast turned deadly in Pennsylvania, where at least two people were killed in storm-related ...

NASA’s Juno spacecraft has just delivered some exciting discoveries from Jupiter and its fiery moon, Io. The new findings, ...

What’s more, data from Juno’s Io flybys has revealed the subsurface temperature profile of Io, the innermost of the four ...

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

A team led by Rutgers University-New Brunswick discovered the large structure. It lies just 300 light years from Earth. Named ...

Even before the eruption, the volcano gave off subtle signals. A low-frequency wave, known as a Rayleigh wave, was detected ...

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 ...

UCSB Physics Professor Roger Freedman held our attention three years ago as he explained the wonders and understanding that ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...