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.
Counterarguments suggest that intelligent extraterrestrial life does not exist or .....
It may be that non-colonizing technologically capable alien civilizations exist, ...
... maybe even thousands -- of alien civilizations must exist across the cosmos.
Right? ... So overwhelmingly likely that I'd give you almost any odds you'd like.".
Jun 21, 2013 ... A New Equation Reveals Our Exact Odds of Finding Alien Life ..... Two
possibilities exist: either we are alone in the Universe or we are not.
That carbon atoms should exist at all, with the properties that they have, requires
a ..... What are the chances that we will encounter some alien form of life, as we ...
Dec 14, 2014 ... New research conducted by Hebrew University astrophysicist Prof. Tsvi Piran
suggests that the chances that complex intelligent life are slim.
May 22, 2014 ... The odds of an alien civilization being advanced enough to produce .... We all
know that Aliens don't exist because we're all just living is a ...
Feb 10, 2014 ... The first detection of intelligent extraterrestrial life will likely come within the next
quarter-century, a prominent alien hunter predicts.
Jan 12, 2012 ... The Possibility of Alien Life Is Now (Almost) Impossible to Deny ... This means
that the chances of life and habitable planets in our galaxy alone is ..... Major
Companies That Didn't Exist 6 Years AgoRead on Hewlett-Packard.
Feb 21, 2013 ... ... for a number of reasons, the chances of us ever meeting any aliens are slim ...
Carbon may not even freaking exist on the aliens' home world.