For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became ...

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

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

Imagine this scenario: Scientists have intercepted a transmission from an alien race. It's clear that the message comes from an intelligent being, but everything about it — the syntax, the grammar, ...

We talk to astronomer Professor Jon Willis about what form alien life may take based on evidence we find on Earth ...