Contrary to what many people think, Galileo did not invent the telescope. In this video segment adapted from NOVA, the Italian physicist and mathematician improves on an existing spyglass design ...

Galileo Galilei was the first scientist to recognise the importance of the telescope for astronomy. He built several such instruments himself – compiling a shopping list of the requisite components on ...

Italian Galileo Galilei built his own telescope that, while small and only capable of providing a fuzzy resolution, gave the astronomer a chance to see the moon’s craters and mountains, along ...

Four hundred years ago, the great astronomer and thinker Galileo Galilei presented his telescope to a world that had no idea how this piece of technology would change perceptions of man's place in ...

Four hundred years ago this month, Galileo Galilei turned a telescope skyward. What he saw -- stars around Jupiter -- would revolutionize astronomy. The stars, which after further examination he ...

Those with a rudimentary understanding of history might claim that it was Galileo Galilei who invented this device. After all, he was just as well known for his inventions as he was for his search ...

Explore Galileo Galilei's life, discoveries, controversies and legacy in astronomy. A journey through Renaissance intellect and scientific revolution.

Galileo Galilei was a ground-breaking astronomer who discovered, among other things, several of Jupiter’s moons. To explore the skies, he relied on a telescopes that magnified objects with ...

Uncover the mystery behind Saturn’s iconic rings. ExtremeTech explains their origins and the science of our solar system.

Four hundred years ago this month, Galileo Galilei presented his eight-powered telescope to the Venetian Senate. He was soon working with a 20-powered telescope, and later that year, he proved ...