A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

Scientists from Washington University in St Louis in the US say they are still confident 'life is out there somewhere' ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure has dropped by two-thirds. The reasons why, experts say, are complicated.