This week, explore a medieval manuscript, spy an underwater volcano ready to erupt off the US West Coast, encounter T. rex’s ancestor, and more.

NPR's Ayesha Rascoe talks to Michael Dean, editor of a new collection of long-forgotten Marvel horror comics called "Lost Marvels No.1: Tower of Shadows." ...

Dr. Sam Sammane's Republic of Mars book cover featuring a cracked astronaut helmet with Earth reflected in the visor, resting on a red Martian l ...