When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an art piece that ...

At the edge of Antarctica, where the air is clean and the human world thins out, a strange instrument listens to the planet.

Researchers developed a model showing the ability of reconfigurable intelligent surfaces to redirect the propagation of radio waves, which could improve the signal. A method to analytically express ...

Researchers propose that hydrogen gas from the early Universe emitted detectable radio waves influenced by dark matter. Studying these signals, especially from the Moon’s radio-quiet environment, ...

Here’s how you can hack together a radio transmitter and receiver out of stuff you have at home—and explore the weirdness of wireless. The “Golden Age of Radio” supposedly ended in the ’50s, with the ...

Supermassive black holes reside in some of the biggest galaxies in the universe. They tend to be billions of times more massive that our Sun, and not even light itself can escape a black hole once it ...