Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

When we imagine alien life, we picture monsters, insects, or tentacles—but what if the most realistic aliens are human-like? Evolution tends to solve the same problems with similar designs, and ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

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 ...

Alien: Earth suggests a future where consciousness isn't confined to the body you're born in, but is this a realistic possibility, or merely science fiction? We spoke to experts to find out. When you ...