Full of extraordinary footage, Robert Stone's blissed-out mind-bender of a movie meditates on the possibilities of life in the universe. When I was four, my parents took me to a planetarium for the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." FOR WHAT IS mostly—as far as we know—an endless expanse of nothingness, space sure is surprisingly full ...

After delays, hundreds of full-time Air Force reservists are preparing to join the Space Force this year, while the plan for their part-time colleagues is still in the works. The transfers were ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...