Is Time Travel Possible? What Science Really Says

A conceptual thumbnail image for the article “Is Time Travel Possible? What Science Says,” showing a clock surrounded by curved spacetime lines, symbolizing relativity and the scientific concept of time travel.

Time Travel — No Longer Just Science Fiction “Time travel” has long lived only in the imagination — in movies, novels, and dreams.But today, modern physicists are treating it as a theoretical possibility, grounded in the laws of physics rather than fantasy. Instead of merely asking “Can we go back to the past?”, science is … Read more