Extraterrestrial (adjective)

1. Originating or located outside the Earth or its atmosphere.
2. Pertaining to or characteristic of life or intelligence existing outside the Earth or its atmosphere.

Origin:

From the latin extra, meaning "outside", and terra, meaning "earth".

Examples:

1. The search for extraterrestrial life is one of the major goals of astrobiology.
2. The idea of extraterrestrial intelligence visiting Earth has long been a topic of science fiction and speculation.
3. The extraterrestrial landscape was unlike anything the astronauts had ever seen before.
4. The recent discovery of water on Mars has increased the likelihood of extraterrestrial life on the planet.
5. Some people believe that extraterrestrial beings have been visiting Earth for centuries, while others think that it's just a myth.