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.

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

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

Galileo Galilei was the founder of modern physics ... And he succeeded in making a telescope of the sort familiar to everyone today who has seen an elementary book on optics.

Galileo Galilei – often referred to just as Galileo ... And his discoveries with the telescope changed our understanding of the universe. It isn’t often that discoveries that revolutionise ...

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

Just after the turn of the 17th century, Galileo Galilei designed and built the first telescope, changing astronomy forever. Through his telescope, all of a sudden, details beyond human perception ...

I am Galileo Galilei, a scientist from Italy and I am ... to see my 'How To' film on creating your own telescope. Bye-ee! This vlog style film recreates a famous experiment in which Galileo ...