On 5, 2002, NASA's old Galileo spacecraft was almost out of fuel. But the Jupiter mission still had some science to do. ‘On ...

Galileo discovered it orbiting Jupiter in 1610, demonstrating in the process that the Earth might not be the center of the universe. Beneath Europa’s frozen shell is a liquid salt-water ocean ...

To take the guided tour of Europa, visit trek.nasa.gov/europa, click on the "hamburger" icon on the top left of the screen, ...

Europa Clipper, the largest planetary science mission ever launched by NASA, will travel 1.8 billion miles and spend four years orbiting Jupiter's icy moon.

In 1609 Europa was but a twinkle in Galileo Galilei’s eye when he aimed a homemade telescope at Jupiter and spotted several smaller dots of light. After plotting their motions, Galileo correctly ...

These plumes have been tentatively detected by the Hubble Space Telescope and in data from the Galileo spacecraft, which orbited Jupiter from December 1995 to September 2003. With a little luck ...

A follow-up mission, named Galileo, orbited Jupiter for nearly eight years in the late 1990s and early 2000s. The Galileo probe discovered a signature that Europa hides a watery ocean below its ...

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. Seeking conditions that support lifeWhat type of life might ...

Carl Sagan had a gift for translating complex scientific ideas into stories that sparked wonder and inspired generations, ...