The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting telescope in 1609. Although not the inventor of the telescope, Galileo was the ...

On January 7, 1610, Italian astronomer Galileo Galilei used his newly improved homemade telescope, which magnified objects 20 times, to observe the planet Jupiter. Nearby, he noticed three points of ...

Discover the best telescope deals on the market, whether you're an absolute beginner, a serious skywatcher or somewhere in between. Looking to start a new hobby or deepen your love for stargazing ...

Celestron, renowned for producing some of the best telescopes and binoculars, offers many top models at discounted prices. Whether treating yourself or shopping for an aspiring astronomer ...

advertisement GALILEO: THE MAN WHO MOVED THE EARTH Imagine standing alone against an empire. That’s what Galileo did when he pointed his telescope at the heavens and declared that Earth wasn’t the ...

The next great space telescope will study distant galaxies and faraway planets from an orbital outpost about a million miles from Earth. But first it has to be put together, piece by piece ...

NASA's James Webb Space Telescope (JWST) has captured photos of one of the earliest supernovas ever seen, with features appearing like grains and knots found in a cut of wood. "Once upon a time ...

An illustration of the James Webb Space Telescope as it orbits the sun in our solar system, 1 million miles from Earth. Credit: SA GSFC / CIL / Adriana Manrique Gutierrez The James Webb Space ...

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known ...