The article details various types of deep-sky objects observable by amateur astronomers, including double stars, variable stars, open and globular star clusters, emission, planetary, and reflection ...

Einstein predicted the existence of these crosses back in 1915. Now, they are used to study distant galaxies. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Using ultra-fast laser pulses and special cameras, scientists have simulated an optical illusion that appears to defy Einstein's theory of special relativity. One consequence of special relativity is ...

An experiment has visualized a prediction about objects traveling at the speed of light known as the Terrell-Penrose effect, first made over 60 years ago. When an object approaches the speed of light ...

Researchers from Nordita (The Nordic Institute for Theoretical Physics) at Stockholm University in Sweden, together with colleagues from Vanderbilt University in the United States, have published two ...

Holograms. Practically every sci-fi movie and TV show from the last 50 years has some version of this futuristic technology. A realistic 3D object composed of nothing more than light, usually hovering ...

Light is the fastest-moving thing in the universe. So what would happen if the speed of light were much, much slower? In a vacuum, the speed of light is about 186,000 miles per second (300,000 ...

Researchers demonstrated a new type of optical manipulation: using laser light to pull a macroscopic object. The technology has potential for applications in the continued explorations of Mars.

A week or so ago, I got a question on Facebook that was relayed from one of the kids of a college friend, which I'll paraphrase as "What's the physics explanation of what gives objects their color?" ...