A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Astronomers spotted an interstellar visitor to our solar system for the first time on October 19, 2017. But it wasn’t an alien life form – it was an object. Even so, the surprise visitor, which was ...

Is there a reason aliens are ghosting us? Maybe they are bored of trying? That’s the latest theory from scientists who suggest that, contrary to popular belief, aliens are handling equipment similar ...

For decades, the Fermi paradox has haunted astrobiologists: if advanced alien civilisations exist, why haven’t we heard from them? One emerging answer comes from Dr Robin Corbett, a senior research ...

Deep inside Enceladus, an icy moon of Saturn some 890 million miles from Earth, one of our best chances of discovering alien life is heating up. Enceladus is less than one per cent the size of our ...