When you look at the night sky, do you ever wonder what's going on out there? On a clear night with a dark sky, if moonlight doesn't wash it out, sometimes you can see the arc of the Milky Way. The ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on amateur telescopes. Engineers and astronomers at the University of Utah have ...

Where Galileo's telescope was dioptric, dealing with refraction through lenses, Newton's telescope design is called catoptric since it relies on mirrors. Modern telescopes, such as the powerful and ...