On Jan. 7, 1610, Galileo discovered four moons revolving around Jupiter — a discovery that would change his life forever. These four moons are Jupiter’s largest satellites — lo, Europa, Ganymede and ...

Europe’s new age of satellite navigation has passed a historic milestone – the very first determination of a ground location using the four Galileo satellites currently in orbit together with their ...

GOOD stories are apt to survive by their very fitness. In old age they may lose their savour because they are deemed legendary, but it is not well to part too lightly with old friends. The three best ...

According to legend, Galileo dropped weights off the Leaning Tower of Pisa, showing that gravity causes objects of different masses to fall with the same acceleration. In recent years, researchers ...

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 ...

As a founding father in the fields of physics and astronomy, Galileo Galilei is known for countless contributions to science. The Italian thinker stressed a methodical, mathematical approach to ...

Opera Theatre of Saint Louis makes a practice of reviving underperformed contemporary operas. This season’s example is Philip Glass’s “Galileo Galilei” (2002), a chamber piece that examines the ...