Law enforcement authorities say a motive in Sunday's mass shooting in Las Vegas is unclear. Authorities are searching the suspect's home in Mesquite, Nev., for clues.
Eyewitness Pam Schneider from Bismarck, N.D., thought she heard fireworks when the shooting began in Las Vegas. It was a strange sound, she says, and then she realized it was gunfire.
In the coming days after the mass shooting at a Las Vegas music festival, Rep. Dina Titus (D-Nev.) says she will be giving blood, visiting hospitals and talking about anti-gun legislation.
The Centers for Disease Control has revised recommendations for treating ME/CFS and now says that vigorous exercise can make symptoms worse. Patient advocates say it's a huge victory.
About 1.5 million 4-year-olds started preschool this fall and parents are wondering: How do I know my child is in a high-quality program? A new book offers some answers.
Children and teens with severe anxiety benefit most from both psychotherapy and medication, a study finds. But it can be hard for families to find and pay for high-quality therapy.
Scalia Speaks is an anthology of the late justice's speeches on everything from the arts, turkey hunting, games and sports, faith and judging — and even the "Italian view of the Irish."
As the popularity of sour beers burgeons in America, scientists are going back to the drawing board in a quest to discover the perfect mix of new brewing microbes.
Steve Inskeep talks to U.S. Army Lt. Gen. Jeffrey Buchanan, who is leading the military's recovery efforts in Puerto Rico and the U.S. Virgin Islands. Hurricane Maria did severe damage to Puerto Rico.
Jeffrey C. Hall, Michael Rosbash and Michael W. Young share the Nobel Prize in physiology or medicine for their discoveries about how internal clocks govern human biology.