An unfamiliar new threat that harms babies, that we can't protect ourselves from, that experts don't fully understand, and about which the media is blaring loud alarms; Zika virus has several powerful emotional characteristics that make any potential danger feel much more dangerous than it might actually be.

Super Bowl season illustrates a deep part of who we are, not just as sports fans.

The Campbell Soup Company says it will go ahead and label foods that contain GMO ingredients, breaking industry ranks on the issue holding up wider adoption of agricultural biotechnology.

The battle over gun control is really about fear.

Living longer, but worrying more. Why?

There is a lot of hypocrisy in the way Naomi Oreskes attacks four renowned climate scientists.

Insufficient commitments to carbon cuts, and a process to encourage deeper cuts that is only voluntary, are bad news for our future.