ALIEN-HUNTERS have narrowed down their 21-year-search for extraterrestrial life to 100 “signals of interest”. The mammoth ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...

For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...

In the vast, quiet theatre of deep space, not many things capture the human imagination like a traveler from another world. For months, the arrival of 3I/ATLAS has sparked a firestorm of speculation ...

"I usually try not to call things 'Rosetta stones,' but this is as close to a Rosetta stone as anything I've seen," said co-author John Johnson, also of Caltech. "It's like unlocking a language that ...