Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

Second, you soon want a bigger telescope. Galileo, who first trained a telescope on the night sky 400 years ago this fall, pioneered this two-step program. First, he marveled at what he could see.

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of Galileo—Earth's atmosphere. Shifting air pockets in the atmosphere ...

Near the beginning of the play, Galileo introduces his daughter to a telescope. "It's a miracle," she exclaims on looking ...

Thus was born the study of optics. In 1609, about a year after an unknown author made the very first attempt to patent a telescope, Galileo Galilei designed and built his famous instrument ...