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 ...

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 ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

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 ...

The Europa Clipper launched to investigate subsurface oceans on Jupiter's moon Europa, promising new discoveries by 2030. On December 7, Earth will align between the Sun and Jupiter, creating a ...