If you were to ask 100 people to pick the single greatest superhero power or sci-fi technology, time travel would almost certainly win. And believe it or not, time travel isn't entirely outside the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Is time travel possible? According to physicists, yes. Time travel to the future is not only possible, it's been scientifically proven. But what about traveling to the past? Well, that's a little ...

The masked man, who introduced himself as Alexander Smith, claims to have been involved in classified Central Intelligence Agency (CIA) experiments in the 1980s. The supposed time traveller appeared ...