We're on this planet for the briefest of moments in cosmic terms, and I want to spend that time thinking about what I consider the deepest questions..

I'd say many features of string theory don't mesh with what we observe in everyday life..

Science is the greatest of all adventure stories, one that's been unfolding for thousands of years as we have sought to understand ourselves and our ….

Energy is the ultimate convertable currency..

The universe is incredibly wondrous, incredibly beautiful, and it fills me with a sense that there is some underlying explanation that we have yet to….

All you are is a bag of particles acting out the laws of physics. That to me is pretty clear..

Intelligence is the ability to take in information from the world and to find patterns in that information that allow you to organize your perception….

I like to think that Einstein would look at string theory’s journey and smile, enjoying the theory’s remarkable geometrical features while feeling ki….

According to inflation, the more than 100 billion galaxies, sparkling throughout space like heavenly diamonds, are nothing but quantum mechanics writ….

I believe that through its rational evaluation of truth and indifference to personal belief, science transcends religious and political divisions and….

Science is very good at answering the 'how' questions. 'How did the universe evolve to the form that we see?' But it is woefully inadequate in addres….

The pinpoints of starlight we see with the naked eye are photons that have been streaming toward us for a few years or a few thousand..

All mathematics is is a language that is well tuned, finely honed, to describe patterns; be it patterns in a star, which has five points that are reg….

The idea that there could be other universes out there is really one that stretches the mind in a great way..

No matter how hard you try to teach your cat general relativity, you're going to fail..

The real question is whether all your pondering and analyses will convince you that life is worth living. That's what it all comes down to..

Sometimes attaining the deepest familiarity with a question is our best substitute for actually having the answer..

When kids look up to great scientists the way they do to great musicians and actors, civilization will jump to the next level.

Black holes, we all know, are these regions where if an object falls in, it can't get out, but the puzzle that many struggled with over the decades i….

So many galaxies, so many planets out there in the universe circling so many stars... it just feels like there's a very good chance that there is ano….

Our eyes only see the big dimensions, but beyond those there are others that escape detection because they are so small..