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 ...

Astronomers now create artificial stars using lasers to see the universe more clearly. These laser guide stars help telescopes correct atmospheric blur. This technology allows ground-based telescopes ...

March 8, 2026 • Speaking at a political gathering in Beijing, China's foreign minister Wang Yi outlined his country's positions on the war in Iran and general relations with America. February 24, 2026 ...