Wondering whether we're alone in the cosmos is almost a rite of passage for human existence. It's a mystery that scientists – and stargazers – have pondered for many years. The Fermi Paradox poses a ...

Steven Spielberg told audiences at the South by Southwest Film & TV Festival that he strongly suspects humanity is not alone ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...