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.

Over the years, the Alien franchise has given audiences plenty of surprises — of both the good and bad varieties. Through prequels, sequels, and separate stories, the universe has grown, and with it, new shocking moments continue to build the lore first ...