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, ...

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 ...

PASADENA, Calif. (AP) -- NASA's aging Galileo spacecraft plunged into Jupiter's turbulent atmosphere Sunday, bringing a deliberately fiery conclusion to a 14-year, $1.5 billion exploration of the ...

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 ...

It was a warm night in August, and I had gathered with other members of the Popular Astronomy Club at the recently renovated Paul Castle Observatory in Milan for an observing session. Soon after ...

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 ...

McKinley Museum planetarium director Suzie Dills says her trip to the Galileo museum in Italy was educational, and a thrill.

In December 2000, when NASA’s Cassini spacecraft will pass by Jupiter, scientists from the Max Planck Institut f¸r Kernphysik in Heidelberg, Germany, will analyse microscopic ash particles from ...

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 ...