NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope ...

The second full moon of the year—arriving on February 12—takes its name from the dusting of snowfall common at this time of ...

Here's what January's new moon means for your zodiac sign, according to celebrity astrologer Kyle Thomas. It rises on Jan. 29 ...

January's Wolf Moon was the highest hanging moon of 2025 in the Northern Hemisphere and stays in the sky longer than other ...

Galileo’s repeated observations over several nights and realized they were moons orbiting the gas giant. And thus, Io, Europa and Ganymede became known as the Galilean moons of Jupiter.

With the telescope having been recently invented, Galileo started playing around with it, making his own improvements to the new gadget ... to as the Galilean moons of Jupiter owing to the ...

The moon will pass closely by Jupiter this evening (Jan. 10), meeting up with the gas giant in the constellation Taurus. The moon will pass closely by Jupiter this evening (Jan. 10), meeting up ...