A massive ice pack that normally clings to northern Greenland's coastline is splitting apart and floating out to sea. Climate change is to blame, scientists say.
A suspect in the "Ramsey Street Rapist" case in Fayetteville, N.C., was located after a search through a public genealogy database. It's the same process used in the case of the Golden State Killer.
Genomic sequencing reveals new evidence of interbreeding among different groups of our ancient relatives. A scientist calls the find "almost too lucky to be true."
Container giant Maersk will send one of its ships through the Arctic on the Northern Sea Route to test its feasibility as a new, time-saving shipping lane.
The Environmental Protection Agency proposed a new rule on Tuesday, giving states more authority to regulate carbon emissions from coal fired power plants. NPR's Ailsa Chang speaks with Dan Lashof of the World Resources Institute about the new rule.
HPV testing is now seen as equally effective as Pap tests for cervical cancer screening. An influential federal advisory group has changed guidelines for how women over 30 should get tested.
Author Beth Macy details opioids' odyssey from medicine to scourge, in her book about young heroin users, their long-suffering parents, doctors, drug company executives, cops, judges and drug dealers.
The administration is proposing to substantially weaken President Barack Obama's signature rule on climate change. It would give states more power to regulate carbon emissions from coal plants.
Prolonged smoke across the West Coast will affect hundreds of thousands of people living in and around fire-prone areas. Scientists are warning of a lengthening — and worsening — smoke season.