extraterrestrial beings
Life beyond Earth
Extraterrestrial beings are life forms originating from somewhere other than Earth—aliens, in the popular imagination.
The phrase appears in scientific discussions of astrobiology and in speculation about UFOs: Do extraterrestrial beings exist?
The signal could indicate contact with extraterrestrial beings.
Often shortened to extraterrestrials or ETs.
- intelligent lifeBeings with cognitive awareness
- hive mindsCollective intelligence, shared awareness
- xenobiologyStudy of alien organisms
- UFO sightingsReported observations of unidentified craft
- flying saucersAlleged alien spacecraft
extremophiles · Fermi paradox · exoplanets · crop circles · first contact · phone home · warp drives · alien spacecraft · little green men · Roswell incident · SETI · Drake equation · alien abductions · grey aliens · Area 51 · bioluminescence · panspermia · exoskeleton
extraterrestrial beingsearthlings
Inhabitants of our planet
terrestrials · humans · humanity · Homo sapiens · native species
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