Stacker dove into film and TV history to compile a list of fictional inventions and gadgets that have yet to come to fruition ...

"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 ...

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

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 ...