Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

For the first time in nearly 10 years, Ridley Scott fans will venture to theaters to see a sci-fi movie from the Alien and Blade Runner director, who has been steering more towards historical epics ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...