"In 2120, Mother Earth is expecting," a voice says. The preview shows Earth reflected on top of an alien's head before the creature screams. "When a mysterious space vessel crash-lands on Earth, a young woman and a ragtag group of tactical soldiers make a fateful discovery that puts them face-to-face with the planet's greatest threat,

Noah Hawley's Alien prequel series is finally beginning to take form. A 30-second teaser for the highly anticipated FX horror series Alien: Earth centers on Xenomorph, a feral and screeching creature - and the main antagonists in the Alien film franchise - that has a ragtag group of soldiers fighting for survival.