This paper is concerned with the existence and the nonlinear asymptotic stability of traveling wave solutions to the Cauchy problem for a system of dissipative evolution equations, with initial data and end states. (ξ,θ)(x,0)=(ξ0,θ0)(x)→(ξ±,θ±) as x→±∞. We obtain the existence of traveling wave solutions by phase plane analysis and show the asymptotic nonlinear stability of traveling wave solutions without restrictions on the coefficients a and ν by the method of energy estim...