When we imagine alien life, we picture monsters, insects, or tentacles—but what if the most realistic aliens are human-like?

Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...

Human-alien hybrids fill science fiction stories, and the most famous of these is Mr. Spock from Star Trek — the logical science officer of the starship Enterprise. Seeing such real-life beings born ...

Even so, he built a pivotal part of the “Romulus” story around a character who died in the original movie: Ash, the synthetic human played by the late Ian Holm with chilling obedience to the franchise ...