Octopuses can "see" light with their arms, even when their eyes are in the dark, researchers have found.
Scientists have discovered that platypus fur glows under ultraviolet light, in the first example of biofluorescence in egg-laying mammals.
Scientists have measured the shortest unit of time ever, the time it takes for a particle of light to cross a hydrogen molecule.
Light behaves even more strangely than expected around the irresistible pull of a black hole.
Wildfires burning large swaths of Russia are generating so much smoke, they're visible from space, new images from NASA's Earth Observatory reveal.
Albert Einstein was famous for many things, but his greatest brainchild is the theory of relativity. It forever changed our understanding of space and time.
Exposure to light at night — from the glare of a bedroom TV or a street light through a window — may increase the risk of weight gain and obesity in women.
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