Reflect Orbital wants to direct sunlight at night with a network of satellites.

Among the various talking heads in “Robert Richardson: The White Devil” - a simultaneously awestruck and cheerfully ...

Optical physics is the study of the fundamental properties of light and its interaction with matter. This includes classical optical phenomena such as reflection, refraction, diffraction and ...

Now in its sixth decade, Wildlife Photographer of the Year sees photographers from across the globe set out to document nature’s most incredible moments. It’s the biggest nature photography ...

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 ...