The Galileo probe expanded on our knowledge of Jupiter's moon, Io, showing us just how hot and hellish the Jovian satellite ...

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

Galileo Galilei's telescopic discovery of Jupiter's four moons in 1610 revolutionized astronomy and supported heliocentric ...

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

Maybe you received a telescope during the holiday season, or perhaps you’ve gifted yourself with a scope. I want you to get ...

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

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

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

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 ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

📅 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.