SECURITY

Since its inception in 1952 up to the mid-1970s, the National Security Agency operated in a legal vacuum -- and made full use of it.

The names of 19 firefighters killed in the Yarnell Hill Wildfire in Arizona have been released. Most were under 30.

NSA leaker Edward Snowden, holed up in a transit section of a Moscow airport, has reportedly applied for asylum in Russia.

Recent revelations that the U.S. has been spying on its European allies have threatened to overshadow trade talks designed to create jobs.

Tensions with European leaders continue to rise after Saturday’s revelation that the NSA secretly observed data from EU diplomats.

Edward Snowden, the confessed NSA leaker, has created a rare shake-up in political circles, partly because we know so little about him.

Police evacuated a neighborhood in Mahopac, N.Y., Thursday evening after they discovered a home stockpiled with hand grenades, ammunition, firearms and a tank.

The Pentagon attracted fresh criticism for buying 30 helicopters for an under-staffed Afghan unit from a blacklisted Russian arms dealer.

Hong Kong says the U.S. messed up the middle name on its provisional arrest warrant request.

Some are speculating that China's central government helped the NSA leaker evade extradition from Hong Kong.

A WikiLeaks representative accompanied NSA whistle-blower Edward Snowden on his asylum flight this weekend.

The National Security Agency whistle-blower is reportedly headed ultimately for South America.

The petition to pardon the whistle-blower passed the necessary 100,000 signatures.

Yes, the NSA PRISM leak was in the interests of the public, and, yes, Edward Snowden should be prosecuted.

An amendment to the immigration reform bill calls for more drones, but the U.S. might not get the most for its dollars.

Google has until July 16 to destroy data it discovered it had harvested from its mapping endeavors.

A World Bank report predicting the impacts of global temperature rises paints a bleak picture for the world's poorest communities.

FBI Director Mueller assured senators that the bureau's drone use is minimal, but said guidelines for their use are still being developed.

Advocates expressed disappointment in an immigration reform bill that could cause a trust deficit between police and public.

The U.S. intelligence community Tuesday said the surveillance program has helped thwart more than 50 attacks, and it described four examples.

Yahoo said it received 12,000 to 13,000 requests for user data from U.S. agencies from Dec. 1, 2012 to May 31, 2013.