On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

On Jan. 7, 1610, Galileo discovered four moons revolving around Jupiter — a discovery that would change his life forever. These four moons are Jupiter’s largest satellites — lo, Europa, Ganymede and ...

In January 1610, Galileo Galilei, using a newly improved telescope with 20x magnification, observed four celestial bodies orbiting Jupiter, initially appearing as stars. These bodies, later named Io, ...

Discover the immense power and influence of Jupiter's gravity on our solar system and the role it plays in shaping our ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook PASADENA, Calif. (AP) – NASA’s aging Galileo spacecraft plunged into Jupiter’s turbulent ...

Every wonder what the sky looked like hundreds of years ago? Where the planets were? We know that the constellations change so slowly that even if you time-traveled King Tut out of ancient Egypt into ...

HAMBURG (dpa) – After the most successful interplanetary research mission in history, the German-American space craft Galileo has now been put on course for a crash landing with the planet it has been ...

WASHINGTON – After eight years surveying Jupiter and its moons, NASA is giving its pioneering Galileo spacecraft an unusual but fitting send-off by steering it on a suicide course for the giant gas ...

be used during this flyby in order to concentrate resources on higher priority research, such as the gravity measurements. Knowing Amalthea’s density might help pin down whether the origin of moons ...

An unusually pure cloud of young, fresh ammonia ice has been found on Jupiter by NASA’s Galileo spacecraft, the first discrete cloud of ammonia ice ever seen, though the planet is known to contain ...

An unusually pure cloud of young, fresh ammonia ice has been found on Jupiter by NASA's Galileo spacecraft, the first discrete cloud of ammonia ice ever seen, though the planet is known to contain ...