3I Atlas is one of the most unusual interstellar objects ever observed, showing behavior that initially confused scientists.

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

A playful question about who should represent Earth if an alien asked to meet our leader. Mum had to be sedated after hearing son, 14, suffered 'worst possible' fate Trump's administration won't seek ...