The first publication by Galileo Galilei has set a new auction record for the celebrated astronomer, selling for $1.5 million ...

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

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

Italian astronomer Galileo Galilei made a number of inventions and discoveries that remain important to astronomy and science in general today.

Galileo Galilei famously stood trial for his insistence—based on astronomical observations through his telescopes—that the Copernican model of the Solar System was correct. The Earth revolved ...

Sunspots are the most striking phenomenon of the solar magnetic field. After the invention of the telescope early in the 17th ...

Italian scientist Galileo Galilei was not the first person to claim Earth orbited the sun. But he was the first who could prove it. His observations made through a home-made telescope changed the c… ...

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 ...

He was born in Tuscany, Italy in 1564, when parents frequently provided their sons with personal names inspired by their traditional family identifiers. In fact, Galileo’s forebearers actually used ...

Galileo Galilei, though famous for his scientific achievements in astronomy, mathematics, and physics, and infamous for his controversy with the church was, in fact, a devout Christian who saw not ...