In "Yesterday's Enterprise," a time paradox is used in more way than one. Here's why this 'Next Generation' episode changed ...

Discover the story behind the Army’s cutting-edge XM7 rifle and XM250 LMG, set to replace iconic M4s and M249s. Explore their ...

Time Travelers Vintage Expo is one of the largest traveling vintage markets in the country, with more than 100 vendors ...

The picture depicts a line of youth from the 1940s queuing up outside a theater in Chicago, and Reddit users think it's ...

To be perfectly honest, the idea of time travel terrifies me because of the catastrophic circumstances I could cause by even the slightest alteration to the timeline. In fact, if I was ever given ...

Does the science in the time travel movies that we love actually make sense? As Back to the Future, arguably the greatest time travel movie in history, turns 40, BBC Radio 4's Screenshot is ...