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, ...

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 ...

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud ...

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 ...

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 ...

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 ...

WASHINGTON (voa) – One of the most remarkable chapters in the history of planetary exploration ended Sunday, September 21, 2003, at 1857 UTC when the American spacecraft Galileo plunged to its demise ...

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 ...

In the end, it was the hint of life on an icy moon that doomed the Galileo spacecraft to a fiery death. This afternoon, the NASA spacecraft will end its 2.8-billion-mile odyssey with a suicidal plunge ...

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 ...