A form of life assumed to exist outside the Earth or its atmosphere

Usage examples of extraterrestrial.

Von Fraunhofer himself directed his invention to the analysis of light from extraterrestrial sources.

And each of those stars could have nine planets accompanying it, the way our Sun does, which would make thirtysix plus twenty-two zeros of planets, and if each planet had a dozen or more moons like Jupiter and Saturn, we have a fantastic number of locations on which extraterrestrial life might exist.

The demonic presences--okay, the extraterrestrial sapient fast-thinkers on the other side--try to grab control over the proprioceptive nerves they can sense the layout of on the other side of the grid.

The cognitive abilities of chimpanzees force us, I think, to raise searching questions about the boundaries of the community of beings to which special ethical considerations are due, and can, I hope, help to extend our ethical perspectives downward through the taxa on Earth and upwards to extraterrestrial organisms, if they exist.

Although he had followed this route as a ufologist several times in the past without being bothered by the Army, he had never done so in the company of an extraterrestrial.

Captain Harold Rider walked up the single dusty street of what had been his Frontier Corps outpost on Deneb Five until the unexpected arrival forty-eight hours before of General Beeling and his Extraterrestrial Relations Board unit.

One noted ex- discovery of the bouncers and mothership--a sort of ample is a man called Steve Jarvis, who has claimed for archaeological discovery of extraterrestrial life.

And even if the military believed that UFOs were manufactured neither by Soviets nor by extraterrestrials, there was a good reason to follow the reports closely.

After all, if true, either hypothesis - invasion by sexually manipulative extraterrestrials or an epidemic of hallucinations - teaches us something we certainly ought to know about.

Nowadays, when such instruction is given, the extraterrestrials seem fixated on environmental degradation and AIDS.

It might strike one of those hypothetical extraterrestrials that we were planning not to have a future.

To the best of our knowledge, ladies and gentlemen, there are no unidentified flying objects that our government has not been satisfactorily able to explain, nor to our knowledge are there any extraterrestrials visiting us.

Our government had an encounter with extraterrestrials three years ago.

Strange, she thought, how the integers, which are discrete, and our attempts to chart time, which is continuous, may well combine to give us a common area of reference with extraterrestrials.

He stares at these with awe and reverence: they are the first multicelled extraterrestrial beings ever discovered, though he suspects and hopes that they will not be the last.