The South Carolina senator has carved out a prominent role, hosting most of the GOP presidential hopefuls at town hall meetings in his state, with its crucial spot early in the primary season.
Young doctors being trained at dozens of hospitals around the country are being asked to work up to 30 hours straight as part of a study. Critics say the study is risky and unethical.
Even though the public largely supports it and the Supreme Court has upheld it, just 27 people have been executed this year, almost the same number of fatalities from lightning strikes.
Rep. Lamar Smith of Texas is formally investigating a recent study on global warming. Smith calls the timing of the study's publication "suspicious." But many scientists call his tactics "bullying."
The Inland Regional Center is closed as authorities investigate Wednesday's mass shooting, cutting off care for 30,000 people with developmental disabilities.
The former president paused during his regular Sunday School class to relay some good news: His melanoma is gone. Carter's been undergoing radiation and drug treatment to battle the disease.
Thousands of Cuban migrants are stuck at the Costa Rica-Nicaragua border. Nicaragua, a close ally of Cuba, won't let the migrants enter into its country to continue north to the United States.
President Obama will address the nation Sunday night on the threat of terrorism in the wake of the attacks in California and Paris. It will be a rare prime-time speech from the Oval Office.
The threat of self-radicalized attackers is on the minds of many after the San Bernardino shooting this week. NPR's Rachel Martin speaks with the RAND Corporation's Seth Jones about these people.
Tragic events like the recent San Bernardino and Colorado Springs attacks leave behind witnesses who try to process what they've seen. Two survivors of past shootings share how they carry the trauma.