Barack Obama's insisting the USA doesn't have little green men or alien spaceships locked up in an underground bunker ...

In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with ...

A physicist has argued that fundamental cosmic constraints make visits from alien civilizations to Earth effectively impossible. Factors such as vast interstellar distances, the speed of light as a ...

If aliens visit Earth, the first “outcome” won’t be a battle it’ll be a global reaction event. Humans don’t respond to unknown power with unity; we respond with fear, denial, and control like natives ...

Barack Obama's insisting the USA doesn't have little green men or alien spaceships locked up in an underground bunker somewhere ... but, if they ever visit Earth, he's volunteering to ...