Premieres Wednesday, April 9, 2025 at 9 p.m. on KPBS TV / PBS app + Encores Sunday, April 13 at 2 p.m. on KPBS TV and 9 p.m. on KPBS 2. How did a ragtag army defeat the most powerful army in the world ...

This week, the show travels back to the American Revolution to explore the science of the weapons used by all sides.

The “Blaze Star” is a rare nova that could produce an explosion visible with the naked eye in the next few nights, located about 3,000 light years from Earth and part of the ...