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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, also called alien life is life that does not originate from Earth. .... Alien life, such as microorganisms, has been hypothesized to exist in the .... There is evidence that Mars had a warmer and wetter past: dried-up river beds, ...


The Fermi paradox or Fermi's paradox, named after physicist Enrico Fermi, is the apparent .... The first is, "Why are no aliens or their artifacts found here on Earth, or in the Solar System? .... There have been some attempts to find evidence of the existence of Dyson spheres that would alter the spectra of their core stars.


Jun 8, 2017 ... Scientists find 'PROOF' aliens exist as samples from ISS reveal something .... “In any case, it adds to the growing body go evidence that there is ...


"I doubt that there are any aliens that close," Shostak says. ... Shostak notes that there is no direct proof for any life beyond Earth, but the universe is home to a lot  ...


See the evidence for yourself. ... Most compelling evidence of alien existence ... There are more registered sightings of UFOs than there is the word count here to  ...


Jun 26, 2017 ... Anonymous Says NASA Has Evidence of Alien Life. ... able to identify the specific location where life might be most likely to exist outside Earth.


Aug 8, 2017 ... How many alien and UFO sightings have there been? ... UFO incident is a world- renowned conspiracy theory about the existence of aliens.


Jan 24, 2017 ... Check out the astonishing space discoveries which have left baffled stargazers scratching their heads.

Apr 13, 2017 ... imagine the aliens be like "10 pieces of evidence humans exist" .... There are lots of deep sea creatures that depend on other things, instead of ...