"Recently, renowned physicist Stephen Hawking announced that if humans didn't want to face extinction, our only option is to abandon planet Earth. In addition to the threats most species face, we humans also have the capability to destroy ourselves and/or our planet with thermonuclear weapons. Nuclear devastation tops a long list of ways for us to go out, including asteroid impacts, solar storms, disease outbreaks, etc. Here's a fun fact: Over 99% of all species that have ever existed on our planet have gone extinct. Still, assuming Earth someday becomes inhospitable due to some catastrophe, here are 8 ways for us to avoid extinction.