Asteroids Quote by Neil deGrasse Tyson

I agree, along with Carl Sagan, that we should eventually become a two planet species. Life is too precious to place on a single…

— Michio Kaku

In the future we're going to have interplanetary, we're going to have two planets that human beings are living on.

— Anne McClain

It's really incumbent upon us as life's agents to extend life to another planet. I think that being a multi-planet species will significantly increase…

— Elon Musk

We only get one planet.

— Leonardo DiCaprio

As long as we are a single-planet species, we are vulnerable to extinction by a planetwide catastrophe, natural or self-induced. Once we become a…

— David Grinspoon

“humans need to become a multiplanetary species”

— Ashlee Vance

I firmly believe in what Stephen Hawking says - that if we don't get off this planet, we're going to go berserk. We have…

— Jolene Blalock

If everybody on the planet today had the same standard of living as the average European or American, we would need three new planets.…

— Jane Goodall

The human race shouldn't have all its eggs in one basket, or on one planet. Let's hope we can avoid dropping the basket until…

— Stephen Hawking

People have been talking about multiverses as a philosophical idea for a long time. But the current incarnations in physics, I think, are more…

— Adam Frank

We are living as if we had three planets' worth of resources to live with rather than just one. We need to cut by…

— David Miliband

Our greatest theoretical physicist, Stephen Hawking, recently declared that humans have no more than a hundred years to get off this planet to ensure…

— Rick Tumlinson