The universe may be dominated by particles that move faster than light, new paper suggests

The researchers suggest that tachyons might be the true identity of dark matter, the mysterious form of matter that makes up most of the mass of almost every single galaxy in the universe, outweighing normal matter 5 to 1. Surprisingly, Kramer and Redmount found that the tachyon model of the universe explains the Type Ia supernova data as well as the standard cosmological model with dark matter and dark energy. An open or hyperbolic Friedmann-Robertson-Walker spacetime dominated by tachyonic dark matter can exhibit an ``inflected'' expansion -- initially decelerating, later accelerating -- similar but not identical to that of now-standard ΛCDM models dominated by dark energy.

In dense aether model space-time behaves like water surface, which spreads both surface ripples (analogy of light waves) but also extradimensional underwater waves, so-called scalar waves of Nicola Tesla, which are faster than surface ripples, i.e. superluminal. Like sound waves at the water surface, they manifest itself like omnipresent "quantum" noise rather than harmonic waves. The scalar wave detectors thus detect various levels of noise, whereas mainstream physics tends to ignore this noisy background. Because (main part of) dark matter is formed with scalar waves and magnetic turbulences of vacuum in dense aether model, this model is conceptually legit. The above study is thus another example of gradual convergence of mainstream physics to dense aether model.