Optical rotatum” is the term researchers coined to describe a newly discovered structure of light. Beams of light that can be shaped into corkscrew-like forms, known as optical vortices, are used ...

Five individuals participated in the experiment, which involved shooting pulses of visible-wavelength laser light directly into their eyes to stimulate individual photoreceptor cells on the retina.

Light can tie knots—literally. Engineers at Duke University have managed to manipulate laser beams to form intricate 3D patterns called optical knots, using custom-designed optics. These twisted beams ...

With the most powerful radio telescope in the southern hemisphere, we have observed a twinkling star and discovered an ...

Scientists say a newly discovered green comet likely has broken apart and won’t be visible to the naked eye. Comet SWAN hails ...

If your kitchen is like 90% of other kitchens in the US, you probably have a microwave in it, but why does your microwave ...

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

The northern lights were visible farther south than normal Tuesday, April 15, and they'll be visible again for some residents tonight, April 16.

Residents in a string of northern states could be in with a chance to see the northern lights on Tuesday night, forecasters ...