According to our current understanding of physics, time travel to the past is not possible, even when considering the principles of special relativity.
The theory of special relativity, proposed by Albert Einstein, describes the behavior of objects moving at high speeds, approaching the speed of light. It introduces concepts like time dilation, where time appears to pass more slowly for objects in motion relative to stationary observers.
While time dilation allows for differences in the passage of time depending on relative motion, it does not provide a means for traveling back in time. Time dilation can result in effects such as the "twin paradox" I mentioned earlier, where one twin ages less than the other due to relativistic effects. However, it does not allow for direct travel to the past.
Additionally, the causality principle is a fundamental concept in physics that states that cause and effect must follow a chronological order. If time travel to the past were possible, it could lead to paradoxes and contradictions, such as the famous "grandfather paradox" where one could potentially prevent their own existence by going back in time and altering events.
It is worth noting that there are various speculative theories and ideas within the realm of physics, such as wormholes or concepts related to general relativity, where some mathematical solutions allow for theoretical scenarios involving closed time-like curves. However, these scenarios often involve extreme conditions or exotic forms of matter that have not been observed or confirmed to exist.
At present, time travel to the past remains purely speculative and is not supported by our current scientific understanding. It is an area of active research and exploration, but significant technological and theoretical advancements would be required to make it a possibility, if it is indeed feasible at all.