Londoners buying newspapers and reading about details of John F. Kennedy's assassination. Credit: Terrence Spencer/Time Life Pictures/Getty Images As part of our continuing coverage of the 50th anniversary of the assassination of President John F. Kennedy, PBS NewsHour…

An invasive species known as tiger shrimp have been spotted in the Gulf of Mexico over the last six years. Charlie Whinham talks with shrimpers and researchers about how these huge shrimp could cause big problems for Louisiana’s multi-billion dollar…

Earlier this month, NewsHour Weekend published a story about the debate (below) surrounding genetically-modified seed farming on the island of Kauai, Hawaii. .embed-container { position: relative; padding-bottom: 2.25%; padding-top: 30px; height: 0; overflow: hidden; max-width: 100%; height: auto;…