The last time valuations soared so high for companies like Groupon and Facebook with modest track records, or no track records, the trend line heralded the dot-com crash.

What happens when a Hollywood heartthrob and the art world collide? Berlin is about to find out as it plays host to James Franco's first ever commercial gallery show.

The funny thing about all these frothy millions and billions piling up around social media sites and The Huffington Post? Most of the value was created by people working free.

This week, Watson takes on humans at "Jeopardy!" But how close are we to a computer that thinks? Google's director of research explains how far we've come.

Will a Middle Eastern oil disruption crush the economy? New research suggests the answer is no—and that a major tenet of American foreign policy may be fundamentally wrong.

Besides making cities more affordable and architecturally interesting, tall buildings are greener than sprawl, and they foster social capital and creativity.

Among the newly proposed federal budget cuts is $1.1 billion from the Department of Energy Office of Science which funds the majority of physics research at universities and national labs.

Is the exchange of amorous declarations between partners now forever delegated to the insulting greetings card and the wholly unpassionate email?

The Yemen expert gives a quick snapshot of the most important things you need to know about the country teetering on the brink of revolt.

Kanye West's album My Beautiful Dark Twisted Fantasy came out too late to be nominated for the Grammy Awards being held tonight, so we’ll have to wait until next year […]

In this video from Al Jazeera English, foreign affairs specialist Michael Binyon explains how history and geography will influence future uprisings in the Middle East.

This Valentine's Day Nobel prize-winning economist Michael Spence explains how the concept of economic signaling can help you nab your true love—whether or not you're Lloyd Dobbler from 80s romance flick "Say Anything."

My favorite films are ones like The Little Foxes, or Twelve Angry Men, or Glengarry Glen Ross, all movies that were adapted from plays to the big screen. The Sunset […]

Compare your level of romance to the national average for 48 different countries, and see where in the world you would best fit in romantically. 

Even as crime rates have gone down around the country over the last 20 years, our fear of crime hasn't changed much. Between 1990 and 2009, the national violent-crime rate was halved.

Extra dimensions are old news. The newest mind-bending descriptions of reality dreamed up by the world’s smartest physicists include untold numbers of extra universes.

When it comes to grief and loss, America is no longer a nation of stoics; we are a nation of feelers. But is our expression of grief helping or hurting our ability to heal?

Hollywood writer and director Paul Haggis resigned from the Church of Scientology saying that, for the first time, he had explored outside perspectives on the church.

It's a dismal view, but the main reason why we have Valentine's Day is to stimulate commerce. However, it's not obvious that a day created to stimulate commerce really stimulates.

The director of An Inconvenient Truth and Waiting for "Superman" reflects on how life's path has a strange and wonderful way of catching up with us—no matter where we go.