Polarized light is one of the most powerful tools scientists have for peering inside matter, yet the way it twists, scatters ...

"Dark photon" theory says light's interference patterns may emerge from quantum particles, not waves, upending centuries of ...

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For nearly two centuries, physics textbooks have treated light as magnetically indifferent to the materials it passes through, a pure messenger of energy and information that leaves magnetic order ...

The fundamental particle of light is both ordinary and full of surprises. What physicists refer to as photons, other people might just call light. As quanta of light, photons are the smallest possible ...

Reports that the James Webb Space Telescope killed the reigning cosmological model turn out to have been exaggerated. But astronomers still have much to learn from distant galaxies glimpsed by Webb.