Aug. 22, 2025 — Astronomers using AI have captured a once-in-a-lifetime cosmic event: a massive star’s violent death triggered by its black hole companion. The explosion, known as SN 2023zkd, not only ...

October 1, 2025 • Our national podcasting contest for college students is now open for entries. Submit your story for a chance to win our $5,000 grand prize, and hear your podcast on NPR.