Well, any of us who has ever looked through a telescope could say ... times (12 divided by four). Galileo played with this formula until, by the late fall of 1609, he'd made a spyglass that ...

And yet, this was the case with Galileo’s discovery of Jovian satellites, which took shape from January 7, 1610. Astronomical changes were brewing at the end of 1609. With the telescope having ...

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 ...

For instance, when Galileo first turned his new telescope towards the heavens in 1609–10, he quickly noted four dots of light that were aligned with Jupiter’s equator. Over the next few nights, while ...

When it comes to belonging and identity, tonight’s glittering drag artists are light years from staid science clubs of yore.

It was the Italian astronomer Galileo who in 1609 first turned his telescope towards the Moon to observe that far-from-perfect sphere; our nearest satellite was textured with numerous mountains ...