Thus the alien empire was wiped out for a second time.

An evil alien empire known as the Bozon are launching a full-scale attack on Earth.

The alien empire of the Elda learn of this energy and plot to seize it by force.

The alien empire had left only ghost cities and occasional tall beetlelike robots that bore no helpful memories of their progenitors.

Thus far, the alien empire had shown no sign of aggression, but Basil didn't entirely believe the altruistic motives of the cozy Ildiran neighbors.

Nira had trouble comprehending that she would cross the Spiral Arm to the capital of an immense alien empire.

Ildiran Empire-large alien empire, the only other major civilization in the Spiral Arm.

Players may choose to create characters which are independent of the Alliance, but several alien empires are fully controlled by non-player characters.

The plot of the program involves an alien empire from the planet "Dada" called the "Robot Army Corps".

Before this, alien empires held sway over the region, and the nucleus of power was outside modern Karnataka.