Weird lights appear in the sky way more often than most people realize. Often, photos of these bizarre light shows come with wild speculation about what caused them, from aliens to secret military ...

An exciting prospect in modern optics is to exploit patterns of light — how the light looks in its many degrees of freedom — often referred to as “structured light.” Each distinct pattern could form ...

Researchers observed exoplanet GJ 1214b's atmosphere by measuring the heat it emits while orbiting its host star. Astronomers directly detected the light emitted by a sub-Neptune exoplanet -- a ...

Blue moons, blood moons and honey moons have all worked their way into fiction and folklore, but the changing hue of our planet's biggest satellite remains rooted in science. The moon doesn't produce ...

WASHINGTON — Skywatchers in 18 states may be treated to a colorful light show Tuesday evening as the northern lights could appear across North America, according to forecasts. The aurora borealis ...