American writers often say they find it difficult to write Superman. They say he's too powerful; you can't give him problems. But… — Grant Morrison Copy Share Image
It occurred to Susan that men were always waiting for something cataclysmic-love or war or a giant asteroid. Every man wanted to… — Bonnie Jo Campbell Copy Share Image
We should go boldly where man has not gone before. Fly by the comets, visit asteroids, visit the moon of Mars. There's… — Buzz Aldrin Copy Share Image
Sooner or later, we will face a catastrophic threat from space. Of all the possible threats, only a gigantic asteroid hit can… — Michio Kaku Copy Share Image
Or so we don't think about how we're just vulnerable specks trying to survive on a violent, tumultuous planet, at the mercy… — Deb Caletti Copy Share Image
By preventing dangerous asteroid strikes, we can save millions of people, or even our entire species. And, as human beings, we can… — Rusty Schweickart Copy Share Image
I agree that we should go back to the moon and on to Mars. We should treat all objects in the solar… — Neil deGrasse Tyson Copy Share Image
