Web Results
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.

Fermi paradox

en.wikipedia.org/wiki/Fermi_paradox

The second aspect of the Fermi paradox is the argument of probability: given ..... It may be that while alien species with intelligence exist, they are primitive or ...

What are the odds there is life in outer space? | HowStuffWorks

science.howstuffworks.com/space/aliens-ufos/extraterrestrial-life-odds.htm

... 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.".

A New Equation Reveals Our Exact Odds of Finding Alien Life - io9

io9.com/what-a-brand-new-equation-reveals-about-our-odds-of-fin-531575395

Jun 21, 2013 ... A New Equation Reveals Our Exact Odds of Finding Alien Life ... amazing, innovative way for us to think about intelligent life — or the existence ...

Life in the Universe - Stephen Hawking

www.hawking.org.uk/life-in-the-universe.html

Two questions I shall discuss are, 'What is the probability of life existing else where in the ... That carbon atoms should exist at all, with the properties that they have, ..... What are the chances that we will encounter some alien form of life, as we ...

Ignoring 500 Billion Galaxies: Mathematics vs Common Sense in the ...

www.dailygalaxy.com/my_weblog/2012/02/ignoring-500-billion-galaxies-mathematics-vs-common-sense-in-the-debate-about-the-probability-of-ext.html

Feb 23, 2012 ... They argue that other unknown factors exist that could have ... in the existence of other alien life forms, rather than the actual chances of it being ...

The Possibility of Alien Life Is Now (Almost) Impossible to Deny

gizmodo.com/5875481/the-possibility-of-alien-life-is-now-extraordinarily-high

Jan 12, 2012 ... This means that the chances of life and habitable planets in our .... This doesn't even take into account how much time there is in existence.

Alien life exists and could be found within 20 years, with enough ...

www.extremetech.com/extreme/182933-alien-life-exists-and-could-be-found-within-20-years-with-enough-funding-astronomers-tell-congress

May 22, 2014 ... With that many planets, there's a “good” chance that there's alien life .... that the existence of alien life is a mathematical certainty, the odds of ...

Research Says Chances Of Advanced Alien Life Are - Nocamels.com

nocamels.com/2014/12/advanced-alien-life-gamma-ray/

Dec 14, 2014 ... The chances of aliens or other intelligent lifeforms is much smaller than we .... an imminent gamma ray burst could be the bane of our existence.

Q: Do aliens exist? | Ask a Mathematician / Ask a Physicist

www.askamathematician.com/2010/01/q-do-aliens-exist/

Jan 30, 2010 ... In as much as the probability that they don't is effectively zero. The statistics on ... But does technologically advanced alien life exist? Well, if life ...

Popular Q&A
Q: What are the chances of aliens existing?
A: Many people have absolute proof aliens exist through UFO sightings proof and Read More »
Source: www.chacha.com
Q: What are the scientific chances of aliens existing?
A: The chances are more mathematical. Bookies Paddy Power have cuts Read More »
Source: www.chacha.com
Q: What are the chances that alien spaceships exist since the solar ...
A: The chances are zero. that was nothing more than a video artifact. Read More »
Source: answers.yahoo.com
Q: Is there a chance aliens exist?
A: For the purposes of this answer, it is assumed that this refers to extraterrestrials. There is always a chance that aliens exist. The Universe is ever expanding... Read More »
Source: wiki.answers.com
Q: What if aliens never existed?
A: I can answer that for you.Aliens don't now nor have they ever existed. God created the human race in his image, and he did not create any other race, but us. _ ... Read More »
Source: wiki.answers.com