Have you ever looked at a creature and thought, “This can’t possibly be from Earth”? That feeling becomes surprisingly common once you dive into the mysterious world of the deep ocean. Far below the ...

Thomas Mulligan examines the scientific challenge of defining and searching for non-Earth-like alien life forms that may not ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines a very different kind of solar system that could harbor life-forms we haven ...

Neil deGrasse Tyson is an astrophysicist who is the director of the Hayden Planetarium at the American Museum of Natural ...

Many of you have probably been hearing reports or watching the strange military videos released at President Donald Trump's ...