  In this paper, we calculate properties of the spin polarized asymmetrical
nuclear matter and neutron star matter, using the lowest order constrained
variational (LOCV) method with the $AV_{18}$, $Reid93$, $UV_{14}$ and $AV_{14}$
potentials. According to our results, the spontaneous phase transition to a
ferromagnetic state in the asymmetrical nuclear matter as well as neutron star
matter do not occur.
