Researchers from the GRAVITY consortium led by the Max Planck Institute for Extraterrestrial Physics realized that they had a "perfect laboratory" to test Einstein's theory with the Sagittarius A* black hole in the center of the Milky Way.

I don't believe in extraterrestrials.

I have proof that all this is a conspiracy of our government with extraterrestrials.

One of the extraterrestrials stepped forward, cleared its throat and, speaking clear German without an accent, declared that it and its cohorts had come in peace, and that there was no cause for concern.

Some speculate that unknown and mysterious forces account for the unexplained disappearances within the Bermuda Triangle, such as extraterrestrials capturing humans for study; the influence of the lost continent of Atlantis; vortices that suck objects into other dimensions; and other whimsical ideas.

Tom claims he was an extraterrestrial in his past life.

Tom wrote a book about a young man who, in the distant future, falls in love with an extraterrestrial girl, during an invasion of the earth.

Extraterrestrials would probably prefer the company of autists rather than illogical and emotional non-autists.

The thing about cheese is that no extraterrestrials have ever consumed it.

I was abducted by extraterrestrials.