Galileo spacecraft

Saltwater Similar to the Earth’s Oceans has been Seen on Europa. Another Good Reason Why We Really Need to Visit This Place

Jupiter's moon Europa is an intriguing world. It's the smoothest body in the Solar System, and the sixth-largest moon in…

3 years ago

There was Evidence for Europa’s Geysers Hiding in Plain Sight in Old Spacecraft Data From 1997

Using old data from the Galileo spaceprobe, a team of NASA scientists has found more evidence of plume activity on…

4 years ago

Juno Will Get No Closer To Jupiter Due To Engine Troubles

After months of review, Juno's mission scientists have chosen not to attempt an engine burn that will reduce its orbital…

5 years ago

The Juno Mission

On July 4th, the Juno spacecraft - the second long-term mission to Jupiter - will arrive at the gas giant,…

6 years ago

How Long Does It Take to Get to Jupiter?

We’re focused on Mars and Pluto, but what about Jupiter? Doesn’t the biggest planet in the Solar System deserve a…

6 years ago

Io, Jupiter’s Volcanic Moon

Io is one of the four large Galilean moons of Jupiter, visible with binoculars or a small telescope. Let's learn…

6 years ago

Jupiter’s Moon Callisto

With 67 confirmed satellites, Jupiter has the largest system of moons in the Solar System. The greatest of these are…

6 years ago

Jupiter’s Moon Ganymede

In 1610, Galileo Galilei looked up at the night sky through a telescope of his own design. Spotting Jupiter, he…

6 years ago

The Planet Jupiter

Jupiter is the 5th planet in the Solar System, and the largest by far, easily visible in the night sky…

6 years ago

What are the Galilean Moons?

It's no accident that Jupiter shares its name with the king of the gods. In addition to being the largest…

7 years ago