Officials: Terror Plot Most Significant Since 9-11

Afghan-born Najibullah Zazi set up shop in suburban Denver, scouring the Web and visiting beauty supply stores in a hunt for chemicals needed to build bombs for Al Qaeda, authorities charge

U.S. to Accuse Iran of Building Secret Nuke Plant

Iran revealed the existence of a covert uranium enrichment facility to the U.N. nuclear watchdog this week after it discovered the project's secrecy had been breached by Western intelligence agencies, FOX News has learned.

Qaddafi Says He 'Comprehends' Lockerbie Anger

Libyan leader Muammar Qaddafi said he could "comprehend" the anger directed at him by Americans who lost relatives in the Lockerbie bombing, trying to strike a conciliatory tone a day after calling the United Nations Security Council a "terror counci

Two Men Accused of Separate Terror Bomb Plots

Federal officials said Thursday that the cases are not connected to each other or the major terrorism investigation under way in Colorado and New York

G-20 Protesters, Police Clash; Up to 19 Arrested

Pittsburgh officials say nearly 20 people protesting the Group of 20 summit were arrested during a chaotic march outside downtown.

GOP's Clinton-Era Ammo

Republicans threaten to block appointments if Dems don't halt probe of health insurance company's controversial mailings, which partly follow guidance set by Clinton

ACORN Going Under?

Treasury review may be 'biggest challenge' of activist group's history, but critics doubt it will sink ACORN

Obama Song Indoctrination?

N.J. superintendent says video of students singing Obama's praises was inappropriate, but not the teaching

Colo. Shuttle Driver Indicted on Terrorism Charges

A Colorado airport shuttle driver was indicted Thursday on federal charges of conspiracy to use weapons of mass destruction in a possible Al Qaeda-linked bomb plot in the United States.

U.N. Pledge to End Nukes

Security Council unanimously approves resolution aimed at ridding the world of nuclear weapons | VIDEO