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 ...

What if an alien transmission was to reach Earth? Would we be able to decode it and somehow communicate with other species? Many believe we could find ways to communicate with symbols or other icons.

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 ...