Messenger ribonucleic acid (mRNA) vaccines tell the body how to make proteins that produce immunity against specific microbes. In contrast, traditional vaccines use weakened or dead microbes, or ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

A rotator cuff strain involves overstretching the shoulder tendons without fully separating them from bone, while a tear means the tendon has partially or completely detached from the bone. Both ...

Cryo–electron microscopy (cryo-EM) has revolutionized structural biology by enabling imaging of macromolecular complexes at near-atomic resolution, but its success depends critically on specimen ...

Detroit Lions' superstar EDGE Aidan Hutchinson continued his hot streak to start the 2026 season on Thursday night, and set a franchise record in the process. Hutchinson quickly got into the action ...