Video: Have you ever wanted to send a message into space? Now two people will have their chance to do it. Christina Stevens reports. TORONTO – How would you like to be the voice of planet Earth? It ...

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 ...

An 'alien message' was beamed from Mars-orbiting spacecraft to Earth's radio telescopes. Now it's up to humanity to decode it You can save this article by registering for free here. Or sign-in if you ...

The search for extraterrestrial intelligence (SETI) has been ongoing since the 1960s, yet no confirmed signals from alien civilizations have ever been detected. A new study published in Astrophysical ...

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 ...

Here’s another example: the alien Message in Stanislaw Lem’s His Master’s Voice. It contains instructions for making a substance. When scientists make it, it looks quasi-biological, like protoplasm, ...