What's your opinion on extraterrestrial life?

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How long we took to evolve isn't really that important. What is more important is how long intelligent life will remain. I think intelligent life is very hard to exterminate and the more we learn the harder we will be to exterminate. In that case we are likely to keep going for a very long time. In 4 billion years there could well still be intelligent life that descended from us. Of course it will resemble us about as much as we resemble the first single celled organisms.

The universe is vast in space and time and the probability of us being unique is ludicrously low. However the vastness of the universe also means that the likelihood of meeting any other life is pretty low.

Aliens exist. No doubts about that. The question is, when will they arrive?

That can happen at any time. I am addicted to science shows like Morgan Freeman: Through the Wormhole and always will remember the faster-than-light travel methods they had. The most amazing one to me was warping. Could aliens have that technology? The answer is yes. It is silly to think that aliens would not have ways of bending our so-called laws of physics, because our way of looking at things would be considered "weak" to a powerful alien race. Think about it.

You do not have an iota of empirical evidence to support that assertion.

ruveyn

The universe is big place... Other life in various forms has to be a statistical certainty. We've discovered the existence of other planets, maybe other life forms have discovered Earth, even using its own naming conventions like we do. 

Speculating about odds is just mere speculation unless you can provide an explanation as to why it's unlikely intelligence evolved on other worlds besides ours(and yes, there are plenty of other worlds that have already been discovered). I see no reason why the odds are against intelligent life elsewhere in the Cosmos.

There is not enough information available to make a statement of absolute certainty either way. What we do know is that it took a long time for a *technological* intelligence to evolve on Earth. I think the odds are good there is intelligent life elsewhere in the universe, possibly in our own galaxy. In various stages of evolution both natural and technological. Based on the evolutionary history of the Earth, the odds are also good we will encounter alien planets that have life but do not have any sapient species. Think about the length of our natural history compared to the time our species has existed; what chance do we have of finding another garden planet going through this brief period of "sapient habitability"? I actually hope we do not, because that would raise many ethical questions, especially if they were less advanced then us.

So what about those pyramids on Mars?

Im not saying their is and im not saying their isnt exterrestrial life but if their is they are not very good at finding our planet.

Well, NASA hasnt yet identified all of the large asteroids that threaten Earth. Just last month a smaller 60 meter asteroid popped up that will pass underneath the orbit of some of our satellites next year. The point being that there could be small probes sitting out in the solar system watching us right now. We have a very crude detection network.

The Fermi Paradox deals with why we havent met or heard from any aliens. One possibility is that they prefer it that way. But there isnt much you can say about it without evidence.

Even more likely is that alien life simply isn't as advanced or equally advanced to us somewhere thousands of light years away.

Hell, could well be just some bacteria hidin' on an asteroid for all we know.

i agree with Steven Hawking on the matter, its mathematically impossible for aliens NOT to exist but its highly unlikely we have been visited, Steven Hawking said that it would be like when Columbus came to the Americas and it didnt work out too well for the Natives