Fifty years ago, the famed Arecibo message was fired into space to make contact with intelligent extraterrestrials. Now is ...

A top US academic has crunched the numbers on how soon we can expect to see "catastrophic" disclosure of contact with an ...

We are closer to proof of alien civilisations than at any time in history, a leading US academic has claimed - and it could arrive at any moment ...

As NASA continues to discover thousands of new exoplanets, humans have increasingly asked: "Are we alone?" If other ...