According to our current understanding of physics, specifically within the framework of Einstein's theory of general relativity, there is a connection between gravity and the curvature of spacetime. This means that gravity can influence the flow of time. In certain situations, such as near a massive object or in regions of strong gravitational fields, time can appear to pass differently compared to areas with weaker gravitational fields.
This phenomenon, known as gravitational time dilation, has been experimentally confirmed and is observable in various contexts. For example, time runs slightly slower at higher altitudes compared to sea level due to the weaker gravitational field at higher elevations. Similarly, time runs slower near massive objects like black holes.
However, it's important to note that the effects of gravitational time dilation are relatively small in everyday circumstances and require extreme conditions, such as near a black hole, to be significantly noticeable. While gravitational time dilation can affect the perception of time, it does not, by itself, provide a means for practical time travel.
In scientific discussions of time travel, more advanced and speculative concepts, such as wormholes or the manipulation of spacetime through exotic matter or energy, are often explored. These concepts go beyond the scope of current scientific knowledge and remain in the realm of theoretical physics. At present, there is no definitive scientific consensus on the feasibility or mechanisms of time travel.