Importantly — and unlike a physical grating — the properties of an acoustic-optic grating, such as its pitch and strength, can be controlled by altering the frequency, polarization and ...

For centuries, the optic lens has bent light through translucent, curved material, but now flat lenses are reimagining the ...

"SPHEREx is a testament to doing big science with a small telescope." Earth will soon gain a new robotic companion. NASA's latest space telescope, SPHEREx — short for Spectro-Photometer for the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA’s newest ...

The next great space telescope will study distant galaxies and faraway planets from an orbital outpost about a million miles from Earth. But first it has to be put together, piece by piece ...