Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

[This story contains spoilers for the first two episodes of Alien: Earth.] If you're in space, and no one can hear you scream, that's probably because a certain xenomorph with acid for blood has ...

Alien: Earth has shaken the Alien franchise to its foundations. A fascinating tale of corporate politics, synthetic consciousness and, sure enough, big scary aliens trying to kill people, Noah ...