On Jan. 7, 1610, Galileo Galilei turned his self-built telescope, which he had recently made improvements to, towards Jupiter ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

Greetings everyone! We have an unusual sky event this month to start off the new year. On Thursday, 29th of January, there ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Galileo Galilei, a pioneer of modern science, highlighted that understanding truths is simple after discovery. The real ...

All truths are easy to understand… Continue to read the article and learn the quote of the day's meaning, ways to apply it ...

Although Europa is the fourth largest of Jupiter’s 95 moons, it’s the smallest of the Galilean moons – the largest being Ganymede. With an equatorial diameter of about 3,100 kilometres, Europa is ...

In 1610, astronomer Galileo Galilei observed three of Jupiter’s moons for the first time and a fourth days later.