New Theory Increases Probability of Intelligent Life beyond Earth

In 1983, the theoretical physicist Brandon Carter concluded that the time it took for humans to evolve on Earth -- relative to the total lifespan of the Sun -- suggests that our evolutionary origin was intrinsically unlikely and that comparable human-like observers beyond Earth are exceedingly rare. The post New Theory Increases Probability of Intelligent Life beyond Earth appeared first on Sci.News: Breaking Science News.

Feb 18, 2025 - 14:15
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New Theory Increases Probability of Intelligent Life beyond Earth
Levin et al suggest that we could have more in common with our extraterrestrial neighbors than initially thought. Image credit: Fernando Ribas.

In 1983, the theoretical physicist Brandon Carter concluded that the time it took for humans to evolve on Earth -- relative to the total lifespan of the Sun -- suggests that our evolutionary origin was intrinsically unlikely and that comparable human-like observers beyond Earth are exceedingly rare.

The post New Theory Increases Probability of Intelligent Life beyond Earth appeared first on Sci.News: Breaking Science News.

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