At least one police officer was killed, another is in serious condition as law enforcement found the two men believed to be behind the Boston Marathon terrorist attacks. The first man, Tamerlan Tsarnaev, is believed to be dead, but Dzhokhar Tsarnaev is at large and the subject of a massive manhunt.
The FBI urges anyone with information about either of the men pictured here to call 1-800-CALL-FBI. They are considered to be both armed and extremely dangerous.
At a Los Angeles Korean festival recently, attendees got a special treat. A humanoid robot from Virginia Tech was on of the shows -- and it performed the dance to Psy's Gangnam Style to roars of approval.
The Sept. 11 terrorist attack was a wake-up call for cities across the country -- they needed to be ready for terrorism. By all indications thus far, the response of Boston police and fire officials is an example of how far cities have come in preparing for terrorism-inflicted disasters.
In the minutes after two bombs detonated at the Boston Marathon, countless regular people pitched in to help first responders tend to the wounded. One of those was Dr. Chris Rupe, a Salina, Kan., surgeon who finished running the marathon seconds before the blast, and then pitched in to help the injured.
The attacks on the Boston Marathon on Monday left three people dead, an unknown number of people maimed and scores wounded. Law enforcement gathered Tuesday morning to vow to get to the bottom of the attack, but as of yet they have no one in custody.
The U.S. Supreme Court is being asked to decide whether a company can be issued a patent for a human gene. The company says it needs the patent to protect the genetic tests its developed; a group of doctprs says human genes are nature in action and should be ineligible for patent protection.
Two explosions near the finish line of the Boston Marathon killed at least three people and injured dozens more Monday afternoon, about 2:50 p.m. ET. Officials weren't saying what caused the explosions, but police departments across the eastern seaboard were raising their threat levels in response.
Amir Mohammed Estakhri has spent nearly a dozen year working with the State Department as an Iranian-language translator. But, recently, he's learned his services are no longer needed -- and he thinks it may be because he translated for Iranian officials in the U.S. as well.
North Korea's young ruler has a singular mission, experts say, preserve the family dynasty. And in that context, Kim Jong Un's sabre-rattling and his invitation to have Dennis Rodman visit the isolated country all makes sense.