His announcement came one day after his father acknowledged he would not become the Republican nominee, despite maintaining for months that he would stay in the fight for the White House.

The Gravity and Extreme Magnetism Small Explorer mission, or GEMS for short, was supposed to blast off in 2014 to study black holes and neutron stars. But external reviews found the project would likely come in considerably over budget.

More than half of high school seniors admit they text or email while driving - the first federal statistics on how common the dangerous habit is in teens.

The Federal Reserve on Thursday proposed tough new rules to require banks to hold even more in reserves as a capital buffer to better withstand future financial crises.

Researchers at the University of Washington have, for the first time, done a near-total genome sequence of a fetus in this way. Scientists published the results of this study in the journal Science Translational Medicine, suggesting that thousands of genetic diseases could be detected in children while they are still in the fetal stage.

President Barack Obama is trying to use the success of social media to get support for his proposal to prevent interest rates on student loans from doubling at the end of the month.

The Boy Scouts of America, indicating its ban on openly gay members will remain in effect, said it will consider a resolution asking that local units be allowed to determine their own standards.

A newly discovered account of the shooting of Abraham Lincoln, and his death the next morning, gives a vivid and moving picture of the calamity. Dr. Charles Leale was in the audience at Ford's Theater when Abraham Lincoln was shot, and was the first to attempt to treat the stricken president.

Storms have brought a tornado and 2-inch hail to Wyoming, a day after thunderstorms pummeled parts of Wyoming and Colorado with golf ball-sized hail and heavy rain.

Police say at least 16 students were killed and another 32 injured when their bus fell into a ravine north of Bolivia's capital, La Paz.

CNN has obtained an exclusive photograph of Pedro Hernandez, suspect in the death of 6-year-old Etan Patz, who remains under the care of doctors after being ordered to undergo a psychiatric examination to determine whether he's competent to stand trial.

Two people were killed and two were wounded Thursday near Atlanta while attending a funeral for a murder victim, police said.

Neal Coleman and his wife, Rachel, are both in their mid-20s and attend graduate school at Indiana University in Bloomington, Ind. They say renting makes more sense for them and their young daughter until their family is a bit more settled.

A major public health crisis is emerging, in the form of a sexually-transmitted disease that doesn't respond to antibiotics, World Health Organization officials said Wednesday.

Bob Welch, a guitarist who played with Fleetwood Mac before launching a solo career, died of a self-inflicted gunshot wound to his chest, Nashville, Tennessee, police said Thursday. He was 66.

Junction City and USD 475 are stunned and in shock, after a plane crash killed Ronald and Rebecca Bramlage, and their four children, flying home from a trip.

Diplomas at a Maryland high school are being reprinted because they contain a spelling error.

The FAA says the small plane was ordered to land after violating presidential airspace restrictions.

The National Oceanic and Atmospheric Administration reports that May 2012 will end as the second warmest on record in the United States. Here's why.

The former President says he regrets the swirl over comments he made earlier in the week -- he appeared to suggest he would be open to extending the so-called Bush tax cuts for the wealthy.

One in 10 cases of tuberculosis in China cannot be treated by the most commonly-used drugs, driven by a lack of testing and misuse of medicine, according to a national survey that showed for the first time the size of the drug-resistant epidemic.

A storm system has brought tornadoes, heavy rain and hail to the Denver area.

Investigators have broken an international child pornography ring that produced and distributed sexually explicit images of babies and toddlers online, federal prosecutors in Indianapolis said Thursday.

It's been 34 years since a racehorse won the Triple Crown - the Kentucky Derby, the Preakness, and the Belmont Stakes. But it could happen this weekend. This year's contender, I'll Have Another, needs just one more win at New York's Belmont Park on Saturday for him to win the coveted Triple Crown.

Federal Reserve Chairman Ben Bernanke indicated today that the risks to the U.S. economy have increased and that the central bank is prepared to take action if conditions deteriorate further. Yet he offered no sign in his testimony before the Congressional Joint Economic Committee that the Fed is prepared to change course at its next monetary policy meeting later this month.