Originally Posted by Caveat Emperor
Honestly, if there's a huge asteroid coming towards Earth, the best chance we have for survival as a species is if we have a self-sustaining colony established on another planet like Mars.
That's something that's within our reach in my lifetime.
I don't think humans will been able to take a breath on Mars without a spacesuit in your lifetime. I don't know how much we can do to deflect an asteroid. I'd think our missle defense system would be our best chance and we can't get any good info on where we stand there for obvious reasons