As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

I was asked at a recent event if the colors we see in photos of celestial objects are real, and if any photos we see from ...

Mars isn't a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially ...

SpaceX’s Starlink satellites were known to interfere with visible light astronomical observations, but many have now been ...

The question of whether the electromagnetic waves emitted by living tissues contain information about those tissues is ...

Could Mysterious Black Hole Burps Rewrite Physics?

In a Swedish lab, scientists have done something that could ripple across the world’s communication networks. They’ve built a ...

Researchers created nanoscale glass structures with near-perfect reflectance, overturning long-held assumptions about what ...

A team of researchers at the University of California, Los Angeles (UCLA) has introduced a novel framework for designing and ...

Starlink already dims its spacecraft in visible light by tipping solar panels away from Sun reflections. A similar hardware ...