While violet hits your eye with a specific wavelength, purple only exists in your perception — a clever construct built from ...

This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

SPHEREx stands for the Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer.

At a distance of just over four light years, Proxima Centauri is our nearest stellar neighbor and is known to be a very ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

Trurnit, H. J., and Colmano, G., Biochim. Biophys. Acta, 31, 434 (1959).

Researchers have created a bilayer metasurface made of two stacked layers of titanium dioxide nanostructures, opening new possibilities for structuring light.