For stargazers and wildlife watchers, monoculars can be an effective alternative to telescopes or binoculars. Here's how they ...

See how telescopes capture the cosmos. ExtremeTech explains the science behind lenses and space exploration. Start exploring the universe with us.

From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for ...

Well, any of us who has ever looked through a telescope ... to do that, they knew, was to make the focal length of the eyepiece shorter. This, however, increased the curvature of the lens, which ...

The James Webb Space Telescope ... When Do Higher Payments Start? 8 out of 10 women change their name after marriage—they might not realize the impact it has on their careers, work relationships ...

To determine whether there exists a configuration of stars (or other gravitational lenses) in the local galaxy that would enable a natural multiple gravitational lense telescope. The telescope would ...