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.

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

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.

📅 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.

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 ...

As a scientist turned novelist, Dr. Katherine E.A. Korkidis successfully made the transition by crafting stories that showcased her passion for ...

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 ...