The topfivewere the University of Cambridge, which held on to the lead, Harvard University, MassachusettsInstitute of Technology (MIT), Yale University, and the University of Oxford.
In a third study published in Nature, Jeffrey Andrews-Hanna and Maria Zuber of the Massachusetts Institute of Technology (MIT) in Cambridge, and Bruce Banerdt of Nasa's Jet Propulsion Laboratory (JPL) in California, provide impact evidence from gravitational and topographical signatures on Mars.