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

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...

The idea that humanity may soon meet extraterrestrial beings has long belonged to science fiction. But one man who claims to have spent four decades communicating with an alien intelligence says the ...