Shortly after he began producing his binoculars, news of the telescope reached Galileo. These days, the telescope is mostly closely associated with the night sky, but it's also useful on land and ...

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.

John Steele Gordon on “Dinosaurs at the Dinner Party” by Edward Dolnick.

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 ...

German astronomer Simon Marius is best remembered for his disputes with Galileo Galilei over priority for discovering Jupiter ...

An affirmation of those teachings, thanks to Galileo’s enhancement of the telescope, has proved unsatisfactory to the dominant biblical divinity of Catholic doctrine, which citizens believe to be ...

As the largest planet in our Solar System, Jupiter's grandeur is visible to the naked eye and through simple telescopes, ...

Galileo gave very few details of his observing ... The drive was then on to build bigger and more powerful telescopes with greater magnification. It was soon realized that what was to become ...

Galileo Galilei made an important discovery about Venus much later. He observed the planet not only waxing and waning through a telescope, but also appearing to change size. This showed him the ...