According to our current understanding of physics, it is not possible to break the speed of light. The speed of light in a vacuum is considered to be the ultimate speed limit in the universe, and all known physical laws are consistent with this limit.
This is because as an object approaches the speed of light, its mass increases, and it requires more and more energy to accelerate it further. At the speed of light, an object would have an infinite mass, and it would take an infinite amount of energy to accelerate it any further. This makes it impossible for anything with mass to travel faster than the speed of light.
There have been some proposed theoretical concepts, such as wormholes and warp drive, that could allow for faster-than-light travel, but these ideas are purely speculative at this point and have not been shown to be possible with our current understanding of physics.