An unexpected discovery in a Harvard lab has led to a breakthrough insight into choosing an unconventional material, silica, ...

Scientists have unveiled a new way to capture ultra-sharp optical images without lenses or painstaking alignment. The ...

New device could be used to observe structures as small as individual proteins, as well as the environment in which they move ...

Controlling light is an important technological challenge—not just at the large scale of optics in microscopes and telescopes ...

Enjoy viewing the photos for this week's Daily Theme entries, and see the selected photo honoured as the overall weekly pick.