An intricate plot unleashed in Mumbai, the West confronts a new threat

David Coleman Headley seemed like a gregarious, high-rolling American businessman when he set up shop in Mumbai in September 2006. But it was all a front. As Headley confessed in a guilty plea in U.S. federal court this year, he was in Mumbai to begin undercover reconnaissance for a sophisticated attack that would take two years to plan.

On the trail of Pakistani terror group's elusive mastermind behind the Mumbai siege

On a November night two years ago, a young American rabbi and his pregnant wife finished dinner at their home in the mega-city of Mumbai.

Package bomb could have downed plane over Canada, data show

One of the two package bombs intercepted late last month would have exploded over a largely unpopulated area of Canada if it had detonated, according to flight data and new information released Wednesday by the British police.

No charges in destruction of CIA videotapes, Justice Department says

The Justice Department will not file criminal charges over the destruction of CIA videotapes depicting the harsh interrogation of terrorism suspects, limiting the legal fallout from one of the Bush administration's most fraught legacies, officials said Tuesday.

In interview, Bush defends Iraq war and waterboarding

In his first major interview since leaving office, former president George W. Bush defended the most controversial aspects of his tenure - including the use of waterboarding against terrorism suspects and the invasion of Iraq.

Vets with PTSD train dogs to help comrades

Rick Yount and his golden retriever puppy, Gabe, had separation issues every morning. "The dog kept looking at me at the door with those sad eyes, and finally it was just impossible to resist," Yount recalled. So one morning, "I decided to take him with me."

In Richmond, a Civil War expert seeks to emancipate history's narrative

W hen the young Edward Ayers left his Tennessee home for Yale to study history, his mama asked him why. "You already know what happened," she said.

Observatories on 5 continents to scan skies for extraterrestrial life

The scientific search for extraterrestrial intelligence went global this weekend as observatories in 13 nations on five continents trained their telescopes on several promising star systems.

Fort Hood marks massacre anniversary

Until Friday, there was only one outward symbol at Fort Hood of the chaos and carnage that erupted there on Nov. 5, 2009. The wreaths of ribbons and flowers hung on a fence surrounding Building 42003 at the massive Army post in Texas. They were placed there by a wife who became a widow that day.

Pentagon's Cyber Command seeks authority to expand its battlefield

The Pentagon's new Cyber Command is seeking authority to carry out computer network attacks around the globe to protect U.S. interests, drawing objections from administration lawyers uncertain about the legality of offensive operations.

U.S. agencies were forewarned about suspect in 2008 Mumbai bombings

A review being conducted for the director of national intelligence has found at least five cases in which U.S. agencies were warned that David Coleman Headley, who became a central figure in the 2008 attacks on Mumbai, was training or working with Pakistani militants.