CNBC's Sue Herera reports the latest news making headlines including GOP presidential candidate John Kasich campaigning in a diner as voters go to the polls.» Read More
As news of the blasts spread Monday, people in the area turned to social media to share updates and let loved ones know they were OK.
Authorities scouring the scene—on the ground and on rooftops—were able to gather significant evidence into the Boston Marathon bombing. Here are images of some of what they found.
Security consultants say the entire calculus of protecting a marathon has changed, reports CNBC's Scott Cohn; and Gen. Barry McCaffrey, ex-National Security Council member, weighs in. "[These bombs] were not sophisticated foreign-made intelligence provided devices," says McCaffrey.
Former Mayor of New York City Rudy Giuliani, who guided his city through the Sept. 11 attacks, said any speculation in the case of the Boston marathon attacks would be a mistake.
Two explosions went off near the finish line of the Boston Marathon on Monday; 3 people died, and 176 people were hospitalized due to injuries, reports CNBC's Scott Cohn.
Social media has made an impact after the Boston bombings. There were more than 1.5 million tweets mentioning Boston just after 4:30 ET.
The tragedy at the Boston Marathon on Monday was a terrible reminder of our safety. David Ropeik, Ropeik & Associates, shares his opinions.
The finish line of a marathon is a high for runners, and of course that all changed in Boston yesterday, with CNBC's Scott Cohn.
Scenes from the Boston Marathon bombing catastrophe, one of the nation's worst attacks since Sept. 11, 2001.
President Obama expressed confidence the FBI and other agencies are investigating the deadly Boston Marathon bombing, reports CNBC's Bertha Coombs.
Lawrence Glazer, Mayflower Advisors, explains why yesterday's tragic events may cause some people to re-evaluate their investment plans.
CNBC's Scott Cohn talks to an eyewitness at Monday's bombing at the Boston Marathon.
CNBC's Scott Cohn reports the latest details on Monday's deadly bombings at the Boston Marathon, as federal, state and local authorities continue their investigations.
Boston Herald Columnist Joseph Battenfield says Boston police are still searching for other devices just in case.
Former FBI Assistant Director Chris Swecker says his sources confirmed there was shrapnel in the explosives that went off at the Boston Marathon.
CNBC's John Harwood reports law enforcement has not yet figured out exactly what happened at the Boston Marathon today.
Fformer Chief of Security of the United Nations Michael McCann, discusses which tactics he thinks are most in need of investigation in the Boston Marathon explosions.
One of the 2 people killed at the explosions at the Boston Marathon was an 8-year-old child, reports NBC's Katie Davis.
Boston Reporter Jackie Bruno offers insight on the site of where the explosions happened near the finish line of the Boston Marathon. "This is not what Boston is like after the marathon, it is a ghost town," she says.
Michael Holland of Holland & Company, offers insight on the reaction from security after the explosions near the finish line at the Boston Marathon.