This young man may have engaged the human race in war with the first intelligent aliens we've ever found.

They found what the Corporation, with some charity, agreed to call "intelligent" aliens.

"I suppose it's too bad for these intelligent aliens that they were caught," John offered.

The doggy, even though he was an intelligent alien, seemed to be enjoying the attention.

Discovery of a new such phenomenon might be a great scientific event, but it was not a message from intelligent aliens.

It brought home forcefully the fact that she was making humanity's first contact with an intelligent alien.

A saber was hardly the weapon I'd expect from an intelligent alien.

A very intelligent or strong alien could be considered superhuman.

They are intelligent aliens with great thoughts to contribute to the civilized galaxy.

When we finally meet intelligent aliens they will not be like any creature of Earth, either physically or mentally.