Everyone knows that the Internet has changed how businesses operate, governments function, and people live. But a new, less visible technological trend is proving just as transformative: big data.

A new digital revolution is coming, this time in fabrication.

In 2010, U.S. President Barack Obama articulated his vision for the future of American space exploration, which included an eventual manned mission to Mars. Such an endeavor would surely cost hundreds of billions of dollars -- maybe even $1 trillion.

Clean energy was supposed to create jobs while reducing energy insecurity, global warming, and the U.S. trade deficit.

A favorite view of the Internet holds that the democratization of communications will bring about the democratization of the world.

Cyberwarfare is not an abstract future threat.

The United States' unique ability to capitalize on connectivity will make the twenty-first century an American century.

The United States can curb its own emissions and encourage energy effeciency and the development of clean-energy technology worldwide by rethinking carbon regimes.

China's recent antisatellite test, which the military conducted while leaving civilian authorities mostly in the dark, raises a disturbing question: Will Beijing's stovepiped bureaucracies prevent China from becoming a reliable global partner?

Foreign governments want control of the Internet transferred from an American NGO to an international institution. Washington has responded with a Monroe Doctrine for our times, setting the stage for further controversy.

Two controversial U.S. anti-piracy bills have spotlighted the growing challenge of how to protect intellectual copyrights, particularly across international borders, without compromising Internet freedom.

Expectations are high that the next U.S. president will take stronger steps on climate change.

As debate over changes to an expanded domestic-spying program rages in Congress, the future of foreign intelligence gathering is in question.  

Looking to broaden its reach and control its message, the U.S. federal government is increasingly turning to the blogosphere.

Several high-profile cases show bloggers’ new political influence, but repressive regimes are fighting back.