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

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

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...

A Telescope to the Past as Galileo Visits U.S. On loan from Florence to Philadelphia, a telescope used by the astronomer gives you an idea of how hard it must have been for Galileo to be Galileo.

In 1609 when Galileo Galilei pointed his home-made telescope at Jupiter, he also noticed smaller spots of light. He studied the motions of these spots and deduced they were moons of Jupiter.

All of this, Levenson suggests, was implicit in the early triumphs of Galileo and Leeuwenhoek. "Telescopes and microscopes," he writes, "do not simply extend human sight.

In his 2006 book, Galileo’s Instruments of Credit: Telescopes, Images, Secrecy, Biagioli chronicles how Galileo, then a 46-year-old professor in Padua, parlayed his discoveries and technical ...

Galileo launches Agentic Evaluations to help enterprises evaluate and monitor AI agents, securing $68M in funding as companies like Cisco adopt its platform for safer AI deployment.

When Italian astronomer Galileo Galilei heard rumors of the first practical telescope at the beginning of the 17th century, he was quick to craft his own version and turn it toward the heavens.

2009 is the International Year of Astronomy, celebrating the 400th anniversary of Galileo turning a looking glass to the sky and shaking up humanity's view of the heavens. Then, puny telescopes ...

Hubble and the Hooker 100-inch Telescope Hubble arrived at Mount Wilson in the fall of 1919, just as the Hooker 100-inch telescope was coming online. His timing couldn’t have been better.