What would happen if aliens contacted us? It's a longstanding question that now has at least a partial answer after a transmission designed to mimic correspondence from an extraterrestrial ...
One of the most famous messages ever beamed to space was a string of 1,679 bits sent by the Arecibo radio telescope in 1974. But if E.T. sent us such a string, how could we Earthlings even begin to ...
The decision to actively send messages to aliens is controversial. There are two main avenues of thinking—the first, known as SETI (Search for Extraterrestrial Intelligence) is that we should actively ...