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Asked by dear532tors on 15 Oct 2025. This question was also asked by fops532gaud68, juco532tach84, quag532trow53, pome532trod42.
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Luke Fountain answered on 15 Oct 2025:
I think it’s almost certain there is life out there somewhere – mathematically, it’s almost impossible that there isn’t, there are so many different stars and planets in our universe. The universe is so big though that we’ll probably never actually see them, and they may not be advanced like us, they could just be little bacteria! I certainly don’t think we have to worry about aliens invading Earth anytime soon!
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Karen Rae answered on 24 Feb 2026:
Yes I think there are probably aliens, I have no idea what they look like or where they live but we can’t be the only planet with living creatures
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Carlyn Bezensek answered on 24 Feb 2026:
Statistically, it’s most likely, given the vast number of galaxies and planets out there. Even on our tiny little planet, we have “extremophiles”, usually bacteria, which thrive in extreme conditions. Acidophilic organisms, for example love acidic conditions (between pH 1 and pH 5); hyper-thermophilic (optimal growth above 80 °C). We even have different wildlife (molluscs and tube worms) living down in the deepest oceans with no sunlight, methane and hydrogen sulfide coming out of the earth’s very crust, and extremes of pressure. If creatures can thrive here, other harsh planets would seem quite reasonable.
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Martin McCoustra answered on 25 Feb 2026:
The physics and chemistry that produced life on Earth is governed by rules that are the same throughout the Universe, so if the conditions somewhere out there were similar to those here 5 billion years ago then its is very likely that the complex chemistry necessary to kick start biology will happen and life could evolve elsewhere in our Galaxy and Universe. Astronomers are starting to look for environments where this might have happened.
However, whether than life is intelligent and able to travel in space, the question would be why would they want to come here!
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Pratibha Gautam answered on 26 Feb 2026:
It depends on what you imagine an alien to be! They could be tiny microbes hiding in space water, or creatures so advanced they look at humans like we look at tiny ants- they might not even bother talking to us! Whether they are small bacteria or super-smart giants, we are still diving deep into the stars to find that first “hello.”
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