Right now, no, not while Earth is in good shape.
But that's a temporary state of affairs.
We don't know if there's going to be a nuclear war.
We don't know if there's going to be a supervolcano.
We don't know if there's going to be catastrophic climate change.
We do know that, sooner or later, a thumping big rock is going to come screaming out the sky and kill almost everything on the planet larger than a shrew. It's not an "if", it's a "when".
Right about that point, Mars will look pretty good, especially if there've been people there for a couple of decades/centuries/millenia primping the place up a bit.
(, Tue 27 Sep 2016, 23:47, Share, Reply)
The K-T extinction event wasn't the end of the world.
Just genetically engineer people to be more crocodilian.
(
Mudface The web isn't callipygian, Wed 28 Sep 2016, 6:57,
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The K-T wasn't even a particularly big one
Here's your doomsday scenario:
Permian -Triassic extinction event
(
evil_andy Stick stick stick stick sticky sticky stick stick, Wed 28 Sep 2016, 8:50,
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