All at once he felt very small and alone among alien creatures.

Gwen couldn't remember seeing these alien creatures in crowds like this before.

But like cockroaches that develop resistance to pesticides, the alien creatures evolved.

Brazil went over to the alien creatures, ignoring all except the Umiau.

Gravity shifts, plus an infestation of alien creatures called Nevi, are causing havoc.

Or small, gelatinous alien creatures with outlandish names might have enslaved the human race.

Yet not only have we never met alien creatures, we've never even gotten a hello.

The alien creatures rode in the horizontal position, with all six legs on the moving ramp.

He speculated to himself, in private, that he may been abducted by alien creatures from a UFO.

He could be talking to robots or alien creatures, for all the human response he was receiving.

Who were these alien creatures we confronted?

These were no spirit-beings but strange and alien creatures, swimming in the water and flying through the sky.

There's a blue-chip cast here, and it's directed by Terry Jones; the Pythons have cameos, as creepy alien creatures.

A passage opened on the outside of the ship, and all but one of the alien creatures walked in.

It was surprising to see how the environment imposed on these alien creatures forms suggestive of our tigers and wolves.

The surviving marines began to fall back, their guns pointing to the alien creatures that were swarming the dead man.