"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one physicist says he has resolved them.

The Back to the Future franchise may revolve around them, but neither Doc Brown nor Marty McFly were the world's first time travelers. This is a point that many viewers can overlook about the ...

Welcome to the most exciting time in history to be a traveler ... Join us as we explore the possibilities of, "The Future of Travel." ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the ...