A Catholic nun believes humanity is on the verge of a supernatural battle.

Science fiction often imagines alien civilizations so advanced they seem like gods, with powers that look supernatural to anyone beneath them. But this episode asks a darker and more fascinating ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

DETROW: I mean, it seems like a lot of people, apparently including film director Steven Spielberg, believe the existence of aliens would cause people to lose or at least deeply question their ...