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

If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, its disclosure will come soon after.

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent misinformation, panic and confusion in the age of social media and AI.

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn more.

She even returned seven years later for the equally celebrated sequel, Aliens — it’s not that surprising that Aliens holds up so well, especially since it was directed by sci-fi savant James Cameron.