Reflecting telescopes use mirrors to gather and focus light. In a Newtonian reflector - the most common type - light reflects from the primary mirror (whose surface is ground into a parabola so ...

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.

Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

Make the most of January's new moon and survey the darkened skies with the best telescopes. Our guide will help you choose the right scope, no matter your budget or experience. Are you new to ...

Dozens of boxes holding mirrors are placed along a remote desert hill in northern Chile as workers make progress in the ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

The first trial of an Australian-developed technology has detected mysterious objects by sifting through signals from space ...

View the planets and night skies from home - Heavens above! Your guide to the best telescopes for stargazing, created for all ...

Gaze into the great beyond from your own backyard with the best telescopes for stargazing, where distant galaxies become backyard companions, and the moon feels like a mere stone's throw away.

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...