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 ...

The telescope began as a relatively simple device, born out of optical experimentation. It combined a series of lenses and mirrors to collect and magnify light, allowing the user to see far away ...

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 ...

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 ...

Few figures shine as brightly as Galileo Galilei, an Italian philosopher whose contributions to astronomy revolutionized the understanding of the stars. "Galileo Galilei (1564–1642) has always played ...

I have always been fascinated by the discoveries and theories of early astronomers, before technology. They used mathematics, physics and observations to gain an understanding of the cosmos. Without a ...

Italian mathematician Galileo Galilei was born in Feb. 15, 1564, in Pisa. Often summarized as the father of modern science, certainly a polymath and a brilliant thinker who operated on a high ...

In August, we reported that a letter presumably written by Galileo Galilei—part of the collection of the University of Michigan’s library—was actually a forgery, along with a similar document in the ...