She is the author of “Ledger” (Knopf, 2020) and nine other books of poetry. She’s based in San Francisco, California. Transcripts for each episode are available within 1-3 days at sciencefriday.com.

May 1, 2026 A decades-old cosmic mystery has finally been cracked: the strange X-rays coming from the bright star gamma-Cas are caused by a hidden stellar companion feeding off it. Using cutting-edge ...