Is It Time to Accept That We’re Alone in the Universe?

There’s an article on the i09 website entitled Is it Time to Accept that We’re Alone in the Universe. The article claims that Our galaxy, at 13 billion years old, has been around long enough for aliens to explore and colonize it many times over by now (recent work shows it should take less than a billion years, …

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ESOcast 64: First Ring System Around Asteroid

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