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.

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 ...

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 ...

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

In "Pillars of Creation," Richard Panek shows how the James Webb Space Telescope is transforming our view of the cosmos.

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

Once described as the most important telescope in history after the original built by Galileo, the Hubble Space Telescope has offered humanity an unrivalled window into the stars around us.