Presumed US Republican presidential candidate Chris Christie says GOP Senators Rand Paul and Mike Lee are standing with NSA surveillance whistleblower Edward Snowden.

Cameron's government determined to increase security services' powers.

The new revelations made by Edward Snowden shows the US is “still pursuing the idea of total full-spectrum,” American journalist Don DeBar says.

The United States has been conducting surveillance on the countries that it calls ally, says an analyst.

A former US intelligence linguist says international spy agencies, such as Israel’s Mossad and Britain’s MI6, are also spying on Americans.

New analysis of documents leaked by former NSA spy Edward Snowden sheds light on the details of the agency's speech-to-word tech.

US whistleblower Edward Snowden has revealed that Britain carried out a long-term and far-reaching program to spy on Argentina over the Malvinas Islands. The operations included covert interception of communications and spreading pro-British propaganda to discredit the Argentine government. PressTV's Manoel Giffoni has this story from Buenos Aires.

Former CIA worker and whistleblower Edward Snowden has revealed that the United Kingdom spied on Argentina for years.

The NSA considered ending the collection of American calling records several months before Edward Snowden revealed the program due to its huge costs.

Washington threatened to “cut off” Germany from intelligence sharing if it provided asylum to Edward Snowden.