Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong ...

Humans are probably not at the "top of the food chain" in the universe, an alien boffin has said. Harvard professor Avi Loeb says if we have extra terrestrial visitors, they are likely to be "more ...

When astrobiologists are asked what aliens might look like, many now point not to distant galaxies but to some of the ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would aliens communicate? How could ...