Science

Follow PBS NewsHour’s complete coverage of Science and Technology stories.

Vitaly Churkin, permanent representative of the Russian Federation to the United Nations, attends an Aug. 30 U.N. Security Council meeting on Syria. Photo by Andrew Burton/Getty Images. Russia's ambassador to the United Nations, Vitaly Churkin, is a well traveled…

Vitaly Churkin, permanent representative of the Russian Federation to the United Nations, attends an Aug. 30 U.N. Security Council meeting on Syria. Photo by Andrew Burton/Getty Images. Russia's ambassador to the United Nations, Vitaly Churkin, is a well traveled…

Dropsondes are lightweight cylinders loaded with sensors that are ejected from airplanes into powerful hurricanes. As they fall, they gather data about the air pressure, temperature, humidity, windspeed and wind direction. Science correspondent Miles O'Brien reports on…

Mei Xiang made distressed sounds at 9:17 a.m. on Sunday, alerting zookeepers that something was wrong with her baby. Video by Smithsonian's National Zoo. The Smithsonian National Zoo hasn't yet confirmed what caused the death of the…