Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

We've been looking at nature the wrong way, argues Rowan Hooper. If we stop focusing on the individual, we get a whole new ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...