If Earth’s astronomical observatories were to pick up a signal from outer space, it would require an all-hands-on-deck effort to untangle and decipher the extraterrestrial message. An art project from ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A “coherent” radio signal has been detected from an alien planet, suggesting it could be more likely to be habitable. The signal ...

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 ...

Earlier this week, astronomers were puzzling over an allegedly powerful burst of energy that seems to have emanated from the star HD 164595, located some 94 light-years away in the constellation ...

1:33 Scientists investigating whether mysterious signal from a distant star could be alien life A group of Russian astronomers have detected a signal from a star system 94 light years away that has ...

Imagine the terror if a celestial visitor was not only on a collision course with Earth but also sending a mysterious radio signal. While the latest interstellar ...

A group looking for alien communications among radio signals in space wants more help from home computers to crunch data. The Search for Extraterrestrial Intelligence at Home, known as SETI@home, ...

A “coherent” radio signal has been detected from an alien planet, suggesting it could be more likely to be habitable. The signal suggests that the planet has its own magnetic field, which is thought ...