Posted: 10:32 AM A rare pink diamond once owned by Indian royalty has sold for $39.3 million at auction in New York City.

Updated: 11:51 AM Rescue workers searched the smoldering ruins of a fertilizer plant Thursday for survivors of a monstrous explosion that leveled homes and businesses in every direction across the Texas prairie.

Posted: 9:40 PM A warrant says Kim Lene Williams confessed; she's held on $10 million bail. District Attorney Mike McLelland and his wife, Cynthia, were killed in March. Williams' husband was arrested last week on a count of making a terroristic threat after being fired as a justice of the peace. (Photo from Kaufman County Sheriff's Office)

Updated: 9:32 PM Justice Department identifies the man as Paul Kevin Curtis of Corinth, Mississippi Wednesday night. Sources say the FBI expects to receive test results on letters Thursday. Initial tests on those envelopes detected the deadly poison ricin; additional tests are underway.

Posted: 8:38 PM The wife of a former North Texas justice of the peace implicated her husband in the shooting deaths of a local district attorney, his wife and an assistant prosecutor, according to court records filed Wednesday.

Posted: 6:23 PM Whether or not they were physically there at the bombing, children can be profoundly affected by what they hear and see.

Updated: 6:17 PM According to the American Academy of Family Physicians, a child is diagnosed with colic if their crying lasts for more than 3 hours a day at least 3 days per week for more than 3 weeks.

Posted: 4:52 PM In a major setback for gun control advocates, the Senate Wednesday voted down a key amendment to the embattled Democratic gun bill, signaling the increasingly dim prospects of any meaningful legislative action aimed at strengthening America's gun laws.

Updated: 2:30 PM Authorities investigating the deadly bombings at the Boston Marathon have zeroed in on an man seen on surveillance video near the site of the attack.

Posted: 11:04 AM White House mail handlers identified a "suspicious substance" in a letter sent to President Barack Obama the same day one suspected of containing the poison ricin was found in a Senate mailroom, the Secret Service said Wednesday.

Posted: 10:06 AM As FBI investigators comb through photo and video evidence for new leads as to who was behind the deadly Boston Marathon bombings, it seems al Qaeda and its most fervent supporters are equally perplexed, but eagerly hoping the sinister act can be claimed by the group.

Posted: 10:41 PM Both explosive devices used in the Boston Marathon attack appears to have been placed in metal pressure cookers packed with nails and ball bearings designed to amplify the damage from the explosions, CBS News correspondent Bob Orr reports.

Updated: 5:33 PM CNN Sources: Envelope that tested positive for deadly poison ricin intercepted at the U.S. Capitol's off-site mail facility.

Posted: 9:28 AM A U.S. Marine CH-53E "Super Stallion" helicopter made what the U.S. military headquarters in Seoul is calling a "hard landing' south of the demilitarized zone separating North and South Korea Tuesday

Updated: 1:19 PM It is a race that some put on their bucket list and others use to test their body and mental toughness, but no one expected it to ever become a fight for survival.

Updated: 12:08 PM The Dish offer is an attempt to top another bid for Sprint: $20.1 billion for a 70% stake from Japanese tech company Softbank. That offer, which Sprint accepted in October, was intended to give Sprint a much needed cash infusion to stave off a possible bankruptcy.

Updated: 6:03 PM Several people have taken to Twitter to send their thoughts and prayers to victims of the Boston Marathon Explosion.

Posted: 9:12 AM Authorities say actor-comedian Kevin Hart has been arrested on suspicion of drunken driving after his black Mercedes nearly collided with a tanker trunk on a Southern California freeway.

Posted: 9:10 AM Meet the newest member of the Bush dynasty: Margaret Laura "Mila" Hager, born Saturday night to former first daughter Jenna Bush Hager and her husband Henry Hager.

Updated: 11:45 AM The Travis County district attorney has apologized after her arrest on a drunken driving charge.

Updated: 11:45 AM Indonesian investigators on Sunday began working to determine what caused a new Lion Air passenger jet to miss a runway while landing on the resort island of Bali, crashing into the sea without causing any fatalities among the 108 on board.

Updated: 11:45 AM Authorities investigating the death of a Texas district attorney arrested a former justice of the peace and charged him Saturday with making a "terroristic threat" after searching his home.

Updated: 11:45 AM Sen. Marco Rubio, R-Fla., said he's "very optimistic" that Congress this week will take up a comprehensive immigration reform bill that includes a path to citizenship for 11 million undocumented immigrants currently living and working in the United States.

Posted: 9:54 AM U.S. and Japanese officials say their countries are committed to new talks with North Korea if the reclusive communist government begins abiding by previous agreements on its nuclear program.

Updated: 11:45 AM Authorities investigating the death of a Texas district attorney arrested a former justice of the peace and charged him Saturday with making a "terroristic threat" after searching his home.