We can all relax: there will be no Independence Day-like invasion of Earth. There was much excitement — and skepticism — when it was revealed earlier this week that a mysterious signal had originated ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is arguing that our inaugural contact is more likely to be a distress call, the ...

Recent news of a strange signal from deep space turned out to be a false alarm, not an alien transmission, but it did beg the question: what kind of civilization would be able to communicate from ...