Maybe we did not create life in the biological sense, but maybe we created something stranger: an alien form of ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

“Disclosure” has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new ...

In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with alien visitation.