Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

When people imagine first contact with aliens, they often picture giant ships in the sky or wise beings sending peaceful messages. A new scientific idea suggests something very different. According to ...

golden record that can decipher data with hints of mathematics and chemistry. It is hoped that it will become a kind of common language between the unknown extraterrestrial civilizations. A novel ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...