Carl Sagan, the astronomer, Pulitzer Prize-winning author, and legendary popularizer of science, gave this interview during the making of "Time Travel." True to form, he discusses arcane aspects ...

Could it be true? Anthony Mennella explores the possibility that time travel might actually be real. El Salvador's Bukele ...

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 ...