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Future Human
Life at the edge of science. A new publication from Medium.

Universe

In Future Human. More on Medium.

Cosmologist Katie Mack explains the leading theories — from heat death to the Big Crunch — on how the universe will cease to exist

Various planets and stars in space.
Various planets and stars in space.
Image: Kauko Helavuo/The Image Bank/Getty Images Plus

The question of how the world will end has been the subject of speculation and debate among poets and philosophers throughout history. Of course, now, thanks to science, we know the answer: it’s fire. Definitely fire. In about 5 billion years, the Sun will swell to…

Future Human

Life at the edge of science. A new publication from Medium.

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