Research reveals how close human vision comes to sensing the smallest possible unit of light. Here’s why that matters for ...

You can tell a lot about a material based on the type of light shining at it: Optical light illuminates a material's surface, ...

Does a real photo show Melania Trump and Ghislaine Maxwell posing with three young women whose faces have been redacted? No, that's not true: This fake photo was made to look like a Polaroid photo ...

US President Donald Trump has attacked key pillars of his country's democracy, Human Rights Watch warned in its annual report ...

Researchers have built a paper-thin chip that converts infrared light into visible light and directs it precisely, all without mechanical motion. The design overcomes a long-standing efficiency-versus ...

A new study has uncovered a hidden step that helps the deadliest malaria parasite survive and multiply inside the human body. Researchers studying Plasmodium falciparum found that the parasite relies ...

Imagine, for a moment, our world without flowering plants.