Scientists warn humanity that the first contact with an alien civilisation may be loud, chaotic and extreme, potentially ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

Dr. Vakoch is the president of METI International, a nonprofit focused around extraterrestrial communication. On Nov. 16, 1974, scientists fired off a nearly three-minute radio message into space with ...

It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as an alien arrival on Earth ...

Rebecca Charbonneau is a historian at the American Institute of Physics, College Park, Maryland, and the author of Mixed Signals: Alien Communication Across the Iron Curtain. As the electronic signals ...