In 1610, Galileo Galilei pointed his telescope at Jupiter and saw something no human had ever observed before: four objects ...

PHILADELPHIA -- Though it looks like a cardboard tube that got left out in the rain, it's a priceless instrument whose owner changed the world. The mottled brown cylinder on display at The Franklin ...

PHILADELPHIA (Reuters Life!) - A three-foot telescope used by the Italian astronomer Galileo, whose discoveries revolutionized astronomy, is the main attraction at an exhibition at the Franklin ...

Instruments of revolution can appear deceivingly simple. With a bit of wood, copper wire and paper, Galileo fashioned a telescope that opened the skies for discovery. The telescope had a magnifying ...

IN 1609, while he was professor of mathematics at Padua in Italy, and in his mid-40s, Galileo Galilei heard of the invention of the telescope by Hans Lippershey and constructed a vastly improved ...

Galileo’s telescope anchors the exhibit “Galileo, the Medici and the Age of Astronomy,” which is at the Franklin Institute in Philadelphia until September 7, 2009. Though Galileo didn’t invent the ...

Even in the league of genius polymaths, Italian astronomer Galileo Galilei enjoys legendary status. He was the first to systematically study space with a telescope and his inventions include the ...

Two people can look up at the same familiar Moon and experience it in completely different ways. One sees a flat, silver disk ...