Science writer David Whitehouse writes in Renaissance Genius: Galileo Galilei & His Legacy to Modern Science that Galileo “grew up in a household full of music and, ... His revolutionary works ...

Galileo Galilei was peering through a new telescope in 1610 when he noticed something strange: several bright objects flickering around the planet Jupiter that seemed to change positions nightly.

Galileo continued writing in conversational language for his landmark 1632 work, Dialogo sopra i due massimi sistemi del ...

Inset: Galileo's sketch of the triple body he saw through his early telescope. Credit: Galileo Galilei Saturn is one of the five classical planets visible to the unaided eye.

Moon drawings from Siderius Nuncivs by Galileo Galilei, 1610. At the time the moon was believed to be perfectly smooth, like the Sun. Galileo differentiated great and ancient spots (macula magna ...

500-Year-Old Leonardo Da Vinci Sketches Show Him ... found evidence that the Italian polymath was working out gravity a century before its foundations were established by Galileo Galilei. ...