How could we defend Earth against an alien Invasion? Do we even stand a chance? Could the United States, Russia and China ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

The night before Halloween 1938, 87 years ago, a radio broadcast by filmmaker and actor Orson Welles sent shockwaves through the world. The hauntingly fictional tale detailed an alien invasion on ...