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There is no known evidence for the existence of extraterrestrial life forms similar to humans, but many theorize that they exist.
A new microorganism recently discovered by NASA, which is able to thrive and reproduce using the toxic chemical arsenic, gives more plausibility to the theory that other planets might sustain life.

Extraterrestrial life - Wikipedia


Extraterrestrial life, also called alien life is life that does not originate from Earth. These as-yet-hypothetical life forms may range from simple single-celled organisms to beings with civilizati...

Do Aliens Exist? Here's What Scientists Say About Life on ... - Mic


Apr 6, 2016 ... People have always thought about extraterrestrial life, what aliens would look like , and if the creatures would come in peace, if they exist. ... believe that we're going to find ... evidence that there is life elsewhere in the universe.

Do Aliens Exist? Yes, The Universe Is Full Of Life, NASA Astronaut ...


Sep 10, 2016 ... Leroy Chiao has completed four missions into space and performed six spacewalks. Aliens are out there, he said.

Proof aliens exist: Scientists make staggering discovery find ...


Oct 6, 2014 ... Aliens exist: Dragon particle proof of life on other planets ... claim the dragon particle is conclusive evidence of life elsewhere in the universe.

SHOCK CLAIM: Aliens DO EXIST and they 'live in ... - Daily Express


Mar 17, 2016 ... ALIENS exist and are likely to be discovered in our solar system within the next decade, a top space scientist has sensationally claimed.

Six signs that aliens might exist - Technology & science - Space ...


With so many stars, alien life is probable; Water worlds abound in our solar system ... for E.T. As kids stumble out of the theater, they might ask, do aliens exist? ... no direct proof for any life beyond Earth, but the universe is home to a lot of stars.

What are the odds aliens exist? | Science Wire | EarthSky


Feb 3, 2016 ... For another, the likelihood that an alien civilization actually exists is still a ... Species within the Star Trek universe would typically be Type II.

Universe Has Probably Hosted Many Alien Civilizations: Study


May 5, 2016 ... Other planets throughout the universe probably hosted intelligent life long before ... Do you believe alien life exists elsewhere in the universe?

Aliens Exist And Will Be Found Pretty Soon, Say Scientists - Forbes


May 24, 2014 ... Aliens Exist And Will Be Found Pretty Soon, Say Scientists ... if you asked an astronomer if there was intelligent life elsewhere in the universe, ... funded to the level necessary to do the comprehensive search required to find ...