Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

Public fascination with alien visitors has surged again after a cryptic response from the Central Intelligence Agency about the interstellar object 3I/ATLAS. While NASA scientists have publicly ...

Remember Steven Spielberg's 1982 film E.T.? The science fiction classic remains both delightfully funny and emotionally resonant in how it explores the connection a lonely young boy forms with a ...