A group of killer whales in the Gulf of California, identified and tracked across multiple encounters, has been recorded ...
The U.S. Space Force is the 6th independent U.S. military service branch, tasked with missions and operations in the rapidly evolving space domain. Space Force was signed into law Dec. 20, 2019, as ...
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 ...