In mid-November, Voyager 1 suffered a glitch, and it's messages stopped making sense. But the NASA probe is once again sending messages to Earth that make sense.
Studies suggest people who take metformin for diabetes may be at lower risk for cancer, heart disease and dementia. Now researchers aim to test if it prevents age-related diseases in healthy people.
Drug company reps commonly visit doctors to talk about new medications. A team of economists wanted to know if that helps patients live longer. They found that for cancer patients, the answer is no.
Thousands of years ago, there was a ceremony to bind close friends together as sworn siblings. Could the practice be resurrected today to strengthen modern friendships? Two women did just that.
The Lyrids meteor shower is active until April 29 and is peaking overnight from Sunday into Monday. To see it, it's best to find an area with trees or a mountain blocking out the moon.
NPR's Scott Simon speaks with scientists Feifei Qian and Ryan Ewing of the LASSIE Project. It is training a robot dog to navigate different types of terrain in preparation for future space missions.