On Jan. 7, 1610, Galileo Galilei turned his self-built telescope, which he had recently made improvements to, towards Jupiter ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

Greetings everyone! We have an unusual sky event this month to start off the new year. On Thursday, 29th of January, there will be a lunar occultation of El Nath, ...

A (Galileo In-Orbit Validation Element-A for those who like their expansions) was launched, one of two demonstration ...

On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 ...

Galileo could be, let's say, prickly. “Look, he was a genius, and he was a truly unusual person, but he wasn't exactly nice,” astrophysicist and author Mario Livio, whose latest book is Galileo and ...

We got “Galileo hate mail” here at the Vatican’s astronomical observatory. It was funny — and not funny. It originated, and originates, in respectable places. And it speaks to the broader problem of ...

Galileo pursued all his bold investigations convinced that Nature followed a Divine order. Just as the Bible represented the dictated word of God, so the natural world embodied God's work. The ...

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 a ...

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 around ...