Nearly 415 years ago to the day astronomer Galileo Galilei discovered the moons surrounding Jupiter looking through his homemade telescope.

Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant ...

View Deal Gskyer Telescope 70mm: was $130 now $97 at Amazon Save 25% on the Gskyer 70mm Alt-az refractor telescope at Amazon. This refractor comes complete with all the accessories a beginner ...

Stephen Hawking was born exactly 300 years after Galileo Galilei died. Their death and birth, exactly 300 years apart on ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he looked at Jupiter through his telescope, he saw what he thought were three tiny ...

Find the best telescopes to unlock the wonders of the night sky — just in time for those long winter nights. The best telescope unlocks the wonders of the universe right from your backyard and ...

Formerly the Large Synoptic Survey Telescope, the observatory was renamed in 2020 to honor Vera Rubin, who died at 88 in 2016. Rubin’s work persuaded astronomers of the existence of dark matter ...