Fidgeting, whistling, sweaty palms: just a few of the suspicious signs that the TSA directs its officers to look out for. 

Thousands of Canadians joined in a protest across the country March 14 to denounce the Conservative government’s proposed anti-terror legislation, Bill C-51, which opponents say will allow to government to stifle protest and dissent.

A study by former Secretary of Homeland Security Tom Ridge found that a project to build a new stadium at Hollywood Park would be a tempting target for terrorists and should not be built.

 Illinois is working on a plan to bring state driver's licenses up to federal security standards. 

Although a majority of Americans remain satisfied with the nation's security from terrorism, this measure has dropped 10 percentage points since last year, from 69% to 59%, and is now back where it was in 2008.

The White House will invite allies to a Feb. 18 security summit in Washington to try and prevent violent extremism. 

The U.S. Senate voted Thursday to extend a federal terrorism program for six years. Lawmakers failed to extend the program before it expired last year, and it was quickly reauthorized in a 93 to 4 vote.

 The Sony hackers have set their sights on attacking a news organization. 

A new study of has found that long-term exposure to the threat of terrorism can elevate people's resting heart rates and increase their risk of dying.

 The U.S. Army plans to launch two stationary "blimps" at 10,000-feet in the air to protect the Washington D.C. area from cruise missiles and other possible air attacks.