Curiosity is a self-driven motivation to explore and to learn. Learning is like... you know, you have to take your medicine. And that is what it has become. And that's unfortunate.

Imagine a world in which we are all enlightened by objective truths rather than offended by them.

Space enthusiasts are the most susceptible demographic to delusion that I have ever seen.

Long ago Mars was an oasis of running water.Today the Martiansurfaceis a sterile,barren desert. Here on Earth, who knows what climactic knobs we unwittingly turn,which might one day render Earth as dry and lifeless as Mars. (From the cover of Old Poison by Joan Francis)

The center line of science literacy - which not many people tell you, but I feel this strongly, and I will go to my grave making this point - is how you think.

When we try to look farther into the universe we come to what appears to be the end of space but actually it's the beginning of time.

For centuries, magicians have intuitively taken advantage of the inner workings of our brains.