According to our current understanding of physics, it is not possible for an object with mass to travel faster than the speed of light in a vacuum. The speed of light, denoted by the symbol 'c', is approximately 299,792,458 meters per second in a vacuum.
The theory of special relativity, formulated by Albert Einstein, suggests that as an object with mass approaches the speed of light, its relativistic mass increases, and the amount of energy required to accelerate it further also increases. As an object with mass approaches the speed of light, the amount of energy required to reach or exceed the speed of light becomes infinite. This means that it would require an infinite amount of energy to accelerate a massive object to or beyond the speed of light, making it impossible according to our current understanding.
Furthermore, if an object were to exceed the speed of light, it would violate causality, which is the principle that an effect must always follow its cause. This violation could lead to paradoxes, such as the famous "grandfather paradox," where a person could potentially go back in time and prevent their own existence.
It's worth mentioning that there are speculative concepts like wormholes and the Alcubierre drive that have been proposed as potential means for faster-than-light travel. However, these concepts rely on speculative ideas and have not been demonstrated to be feasible or practical based on our current scientific understanding. Further research and exploration in physics may reveal new insights that challenge our current understanding, but for now, traveling faster than the speed of light remains beyond the realm of possibility as we currently understand it.