On Jan. 7, 1610, Galileo Galilei turned his self-built telescope, which he had recently made improvements to, towards Jupiter. There he noticed three spots of light. Though he first concluded they ...

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends.

Add Yahoo as a preferred source to see more of our stories on Google. On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he looked at ...

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 ...

LOS ANGELES -- NASA's Galileo spacecraft was set to make its last flyby of one of Jupiter's moons early today, marking the likely end of the science-gathering part of its 13-year mission. Galileo was ...

Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a ...

On this date, Jan. 17, 2002, the Galileo probe made it’s 33 rd pass of Jupiter’s moon, Io. After Voyager 1’s pass in 1979, Io was dubbed the most volcanically active place in the solar system. Galileo ...

Europa, one of the four large moons of Jupiter first seen by Galileo 414 years ago, may have a deep, salty, global ocean hidden beneath a thick crust of ice. Where there is water, there might be life.

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he looked at Jupiter through his telescope, he saw what he thought were three tiny ...