Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...

Aliens could, in theory, reach Earth but would never truly go home again, according to physicists who say Einstein's laws of relativity turn any near‑light‑speed visitor into a 'time exile.' The ...

According to Google Trends data, searches for “UFO travel” went stratospheric last week, growing by a Jupiter-sized 255 per cent. But even before America’s politicians started debating whether or not ...

Crop circles are often found in agricultural areas in the west country of England But, he has now expanded his far-fetched conspiracy theory to include the possibility they are messages sent back by ...