Trump’s new missile-defense strategy adds up to an effort to solve a political problem with expensive hardware.
Breakthroughs in biometric science mean future troops will fight with weapons that understand them—inside and out.
Lasers-armed drones and interceptor missiles are among America’s possible tech options for impeding a North Korean nuclear strike.
The future arsenal will be networked, presenting unique security challenges for the U.S. Air Force.
The Pentagon is rushing to develop new technology to fight the group’s unmanned aerial vehicles in Iraq.
How the intelligence community learned to spy on itself
A brief guide to the evidence.
Use a Slinky.
A study finds that motivations vary widely.
Anticipating cutting-edge scientific research before it happens may be key to protecting against bioterrorism.
DARPA is tackling online privacy. But can you trust them?
The president's proposal promises to anonymize data. Experts don't think that will help.
In an 800-page document dump, the U.S. government revealed critical vulnerabilities.
The U.S. government is investing heavily in the creation of sophistcated prosthetic limbs for returning soldiers. Could they someday be used on the battlefield, too?
The use of autonomous boats could lead to more artificial intelligence in modern combat.
Estonia is offering virtual citizenship to millions. They will need real military protection.
New research suggests that it may be possible to identify who's more likely to have negative lasting effects from trauma—and to stop the symptoms before they start.
Building a case with satellite imagery, black boxes and tweets
The Defense Department is already using social media to track your mood.