A GAO report reveals that the high-security laboratories that study such deadly diseases as anthrax and plague lack national standards and strategy, putting the country at risk.

U.S. Sen. Angus S. King Jr. is cosponsoring bipartisan legislation to improve security at smaller courthouses.

Security screening for visitors to the Statue of Liberty will be held on Ellis Island when the site reopens this summer.

Seattle is poised to become the first in the nation to provide direct funding for research into the causes and effects of gun violence.

A 61-year-old Frenchman impersonated a pilot and sat in the cockpit of a US Airways plane before a scheduled flight from Philadelphia International Airport.

Impromptu stops and rides in open-air vehicles are only two of the headaches facing Vatican security officials.

Despite growing awareness of hate crimes, the share of those crimes reported to police has fallen in recent years.

The system is now called "Wireless Emergency Alerts" or WEA, in order to reduce confusion among subscribers and mobile service providers. 

An increasingly civilian market for unmanned aircraft is leading legislators to reconsider the laws regarding aerial surveillance and intelligence gathering.

Limits on magazine sizes and mandatory background checks are the key pillars of today's legislation, signed by Governor John Hickenlooper.