From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

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

There are three main types of telescope and each has different advantages, so we've explained each one below - so you know what to look out for in your next scope. Alternatively, you can check out ...

Most telescopes come with two or three eyepieces. Usually, 100 to 200-power magnification is the most you’ll ever need for ...

a space telescope that is already at 40 Kelvins or so, orbiting in the 3-Kelvin vacuum of space. Much of the solar radiation that hits Earth is in the ultraviolet band, invisible to the eye but ...

Learn more › Viewing the night sky up close and personal with the help of a travel telescope is a magical experience. After all, many of us live in locations with far too much light pollution to ...

We've scoped out the best telescopes at Best Buy and the early Black Friday deals worth considering ahead of the holidays. We've rounded up the best early Black Friday deals on telescopes at Best ...

Over the quarter century I’ve been writing this column, I’ve been flabbergasted by the advances in telescopes for backyard ...