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Pulsars and neutron stars are generally more massive than the Sun, whereasblack holes have unlimited mass-spectrum, though the mass-gap between 2 -5$M_\odot$, which applies for both classes, is evident and remains puzzling.Based on the solution of the TOV equation modified to include a universalscalar field $\phi$ at the background of supranuclear densities, we claim thatpulsars must be born with embryonic super-baryons (SBs), that form through themerger of individual neutrons at their centers. The cores of SBs are made ofpurely incompressible superconducting gluon-quark superfluids (henceforthSuSu-fluids). Such quantum fluids have a uniform supranuclear density andgoverned by the critical EOSs for baryonic matter $P_b = \mathcal{E}_b$ and for$\phi-$induced dark energy $P_\phi= -\mathcal{E}_\phi.$ The incompressibilityhere ensures that particles communicate on the shortest possible timescale,superfluidity and superconductivity enforce SBs to spin-down promptly asdictated by the Onsager-Feynman equation, whereas their lowest energy stategrants SBs lifetimes that are comparable to those of protons. The extraordinarylong lifetimes suggests that conglomeration of SuSu-objects would evolve overseveral big bang events to possibly form dark matter halos that embed thegalaxies in the observable universe. Having pulsars been converted intoSuSu-objects, which is predicted to last for one Gyr or even shorter, then theybecome extraordinary compact and turn invisible. It turns out that recentobservations on the quantum, stellar and cosmological scales remarkably supportthe present scenario.

Evidence for pulsars metamorphism and their possible connection to black holes and dark matter in cosmology