With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.

Otherworldly aliens are as important to the "Star Wars" saga as a rousing score or elaborate outer space fights between cool spaceships. From the very first entry in this narrative, "Star Wars" has ...

Add Yahoo as a preferred source to see more of our stories on Google. Adapt or die: How do you grow and evolve to fit into an alien environment? How do you create change in the face of overwhelming ...