Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

This ship was huge. It was like a city-sized ship. And there was hundreds of beings on board,” said Debbie Solaris, a military veteran and ...

Here are the best sci-fi movies from every year of the 2010s - the ones that made the best use of the genre's concepts and ...

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets ...

A viral podcast moment last month reignited speculation about extraterrestrials and prompted President Donald Trump’s commitment to kickstarting the release of government files on flying saucers. But ...