Every time you look up at the sky, every one of those points of light is a reminder that fusion power is extractable from hydrogen and other light el….

Extinction is the rule. Survival is the exception..

The notion that science and spirituality are somehow mutually exclusive does a disservice to both..

Somewhere, something incredible is waiting to be known..

Science is a collaborative enterprise, spanning the generations. When it permits us to see the far side of some new horizon, we remember those who pr….

We are the only species on the planet, so far as we know, to have invented a communal memory stored neither in our genes nor in our brains. The wareh….

My view is that if there is no evidence for it, then forget about it. An agnostic is somebody who doesn’t believe in something until there is evidenc….

Nobody listens to mathematicians..

UFOs: The reliable cases are uninteresting and in the interesting cases are unreliable..

There are many other (besides testosterone) behaviour-eliciting hormones fundamental for humen well-being, including estrogen and progesterone in fem….

We live in an in-between universe where things change all right...but according to patterns, rules, or as we call them, laws of nature..

We need to reduce military budgets; raise living standards; engender respect for learning; support science, scholarship, invention, and industry; pro….

Extraordinary claim requires extraordinary proof..

Extraordinary observations require extraordinary evidence to make them believable..

A proclivity for science is embedded deeply within us, in all times, places, and cultures. It has been the means for our survival. It is our birthrig….

The Big Bang is our modern scientific creation myth. It comes from the same human need to solve the cosmological riddle [Where did the universe come ….

Nothing disturbs me more than the glorification of stupidity..

If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands of those in power. But if the citizens ….

The claim is also sometimes made that science is as arbitrary or irrational as all other claims to knowledge, or that reason itself is an illusion. A….

Across the sea of space, the stars are other suns..

Ask courageous questions. Do not be satisfied with superficial answers. Be open to wonder and at the same time subject all claims to knowledge, w….