How will life on Earth end?

Asteroid strikes, supernovae blasts, and other calamities could take out humanity. But no matter what, a cataclysmic event 1 billion years from now will likely rob the planet of oxygen, wiping out life.

How Long Will Life On Earth Survive? End Of The World

When Is the Earth Going to End?

Earth - NASA Science

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How will life on Earth end?

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Opinion If the World Was Ending, What Would Your Last Message Be? - The New York Times