Galileo Galilei is recognized as one of the most important scientists in history. He perfected the first telescopes and his ...

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 ...

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 ...

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 ...

The Italian scientist Galileo Galilei, when hearing about the invention of the telescope in 1608, decided to make his own instrument. However, in January of 1610, when he applied it ...