Rutgers professor Jennifer Francis says the warming polar air is causing the jet stream to meander, slowing down the march of weather systems across the northern latitudes.
Bode Miller becomes the oldest person ever to win a medal in Alpine skiing at the Olympics, taking bronze. Underdog Andrew Weibrecht garners silver.
With medical marijuana legal in 20 different states, a "green rush" has started among venture capitalists looking to invest in the pot-related industry.
In the Central African Republic, Muslim rebels seized power last year and then lost it to Christian militias. France and other countries' peacekeeping troops are helping Muslims evacuate, as East Africa correspondent Gregory Warner tells NPR's Rachel Martin.
In some states, the overdose antidote known as Narcan is becoming more popular among law enforcement. Not the state of Maine; that state's governor is opposing a bill that would put Narcan in the hands of more first-responders.
A recent Newsweek investigation found that at many colleges and universities, being open about a mental health disorder can mean getting kicked out of school. Newsweek reporter Katie J.M. Baker speaks with NPR's Rachel Martin about the story.
A jury in Jacksonville, Fla., returned a mixed verdict Saturday in the trial of Michael Dunn, charged in the shooting death of teenager Jordan Davis. Unable to reach a verdict on the charge of murder, the jury found Dunn guilty on four other counts.
The star is 4 billion years older than any other found to date. NPR's Rachel Martin talks to Timothy Beers of the National Optical Astronomy Observatory in Arizona.
In Laredo, Texas, an elite debutante ball is one of many events held to celebrate George Washington's birthday. A new documentary, Las Marthas, explores the tradition. NPR's Rachel Martin speaks to director Christina Ibarra.
Haiti has its first inductee into the College of Cardinals. Haitian Bishop Chibly Langlois is one of 19 men chosen by Pope Francis for elevation. Seven of the new group hail from the Americas, the Caribbean and Africa.