Italian astronomer Galileo Galilei peered through his newly improved 20-power homemade telescope at the planet Jupiter. He ...

Europa was one of four moons discovered on Jan. 7, 1610, by astronomer Galileo Galilei. Speaking of Galileo, this photo was ...

Nearly 415 years ago to the day astronomer Galileo Galilei discovered the moons surrounding Jupiter looking through his homemade telescope.

Hi, and welcome back to TechCrunch Space. Happy New Year! And...surprise!: This will be the last edition of TechCrunch Space ...

New research from a team of citizen scientists challenges the old idea that Jupiter's visible clouds are formed of ammonia ...

Stephen Hawking was born exactly 300 years after Galileo Galilei died. Their death and birth, exactly 300 years apart on ...

Astronomer Galileo Galilei discovered it in 1610 ... Io, for example, follows an elliptical orbit around Jupiter, and the variation in distances from Jupiter (and consequently of Jupiter ...

📅 Today in History: In 1610, Italian astronomer Galileo Galilei, through improvements he made on a homemade telescope, first observed Jupiter’s four Galilean moons: Ganymede, Callisto, Io and Europa.

It was probably during his time at Padua that his path first crossed with Galileo Galilei and the two men ... He took a look at Jupiter using this on December 29, 1609 according to the Julian ...

The four "Galilean moons" were named after Italian astronomer Galileo Galilei, who is thought to have discovered them in 1610. As night falls, Jupiter will rise in the east-northeast, among the ...

There are 358 days left in the year. Today in history: On Jan. 7, 2015, masked gunmen stormed the Paris offices of Charlie ...

1610: Astronomer Galileo Galilei observed four of Jupiter’s moons for the first time. 1955: Singer Marian Anderson became the first Black American to sing ...