According to our current understanding of physics, specifically the theory of relativity, nothing can travel faster than light in a vacuum. The speed of light in a vacuum, denoted as "c," is considered to be the ultimate speed limit of the universe. This limitation is supported by extensive experimental evidence and has been a fundamental principle of physics for over a century.
Electromagnetic (EM) radiation, such as light, is a form of energy that travels in waves and moves at the speed of light. It encompasses a wide range of frequencies, from radio waves to gamma rays. All forms of EM radiation, including visible light, travel at the same speed in a vacuum.
If there were some type of radiation or information carrier that traveled faster than light, it would challenge our current understanding of physics. It would also have profound implications for our understanding of causality and the nature of space and time.
To date, no experimental evidence or scientific consensus supports the existence of any form of radiation or information transfer that violates the speed of light barrier. However, scientific exploration and discovery continually push the boundaries of our understanding, and it is always possible that future breakthroughs may reveal new insights into these fundamental principles.