Gravity is a fundamental concept in physics that has been extensively studied and supported by a vast body of evidence. The theory of gravity, as described by Isaac Newton's law of universal gravitation and later refined by Albert Einstein's general theory of relativity, provides a comprehensive explanation for the behavior of objects in the presence of mass.
While there may be ongoing debates and refinements within the scientific community regarding certain aspects of gravity or attempts to unify it with other fundamental forces, the overall validity and existence of gravity as a fundamental force are widely accepted by the scientific community.
It's important to note that science operates through a process of peer review, empirical observation, and experimentation. Any scientist who disputes gravity theory would need to provide substantial evidence and propose an alternative theory that better explains the observed phenomena. To date, there is no widely accepted alternative to the theory of gravity that adequately accounts for the wide range of observations and experimental data supporting it.