A new study by Dr. Richard Lieu of The University of Alabama in Huntsville (UAH) challenges our understanding of gravity, potentially offering an alternative explanation for dark matter. The research, published in Monthly Notices of the Royal Astronomical Society, proposes a theory of gravity that can exist independently of mass. Dr. Richard Lieu is a distinguished professor of physics and astronomy at UAH. Image Credit: Michael Mercier / UAH Dark matter—a hypothetical type of matter implied by ...