Major League Baseball implemented the ABS challenge system for the 2026 season, which allows players to challenge a ball or strike call made by the plate umpire. Each team receives two challenges to ...

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong ...

December 4, 2025 • The annual contest for students in grades four through 12 is back for its eighth year — this time with a special prize for a podcast that marks the 250th anniversary of the United ...