Since the 1960s, scientists working with SETI (Search for Extraterrestrial Intelligence) have been monitoring the universe for artificial radio signals. The idea is simple. If another civilization ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

More than 1,000 scientists have quietly updated the world's post‑detection protocols for alien contact, doubling down on the rule that 'no reply should be sent' without global agreement.