Engineering is the closest thing to magic that exists in the world.

The extension of life beyond Earth is the most important thing we can do as a species.

Physics is really figuring out how to discover new things that are counterintuitive, like quantum mechanics. It's really counterintuitive.

Target launch date for Falcon I maiden flight is Halloween(October 31) from our island launch complex in the Kwajalein Atoll. For potential customers out there, I should mention that Kwajalein has some of the worlds best scuba diving and snorkeling! It is literally a tropical paradise.

I'd like to dial it back 5% or 10% and try to have a vacation that's not just e-mail with a view.

If you think back to the beginning of cell phones, laptops or really any new technology, it's always expensive.

An asteroid or a supervolcano could certainly destroy us, but we also face risks the dinosaurs never saw: An engineered virus, nuclear war, inadvertent creation of a micro black hole, or some as-yet-unknown technology could spell the end of us.