NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

Since their 1610 discovery, the four Galilean moons have emerged as drastically different worlds. “It’s almost as if they were deliberately made to have music written about them because they'r ...

The eruption released energy six times greater than all Earth's power plants combined, exceeding 80,000 trillion watts.

Mighty Jupiter stands high in the east at sunset, dominating the stars of Taurus the Bull as they begin to appear in the ...

You’re looking at its four Galilean Moons, by far the largest of the giant planet’s estimated 79 moons. Their collective name comes from the fact that Galileo first observed them in the year 1609.

The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope at the Moon, Venus and the planet Jupiter in quick ...

But it won't be a star that will be keeping the moon company on this early winter's evening, but the largest planet in the ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

Saturn, Jupiter’s outer neighbour, currently has 83 known satellites. The four larger moons mentioned above, also known as the 'Galilean moons', account for 99.997 percent of the total mass of Jupiter ...

Get ready, Jupiter is about to put on an awesome sky show. On Sept. 26, the giant planet will be closer and brighter than it has been for the last 59 years. This fact has not escaped the attention ...

Seastar Smart Telescope helped the enthusiasts capture stunning images of planets and nebulae, while the 8-inch Dobsonian ...