Galileo Galilei was the founder of modern physics ... yet Galileo spent his life unravelling these mysteries. His many discoveries include the law of inertia later used by Isaac Newton as ...

Galileo Galilei – often referred to just as Galileo – is someone who often needs no introduction. An Italian astronomer, physicist, mathematician, and philosopher, Galileo was a polymath who ...

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

A young Galileo is perched atop the Leaning Tower of Pisa. He is in the middle of his famous experiment—the one in which he shows, by dropping cannonballs of different weights, that all objects ...