Science writer Roxanne Khamsi examines the answers in her new book, Beyond Inheritance. Today on the show, she gets into how scientists examine these mutations, how they’ve shifted our understanding ...

July 4, 2026 NASA is marking the United States' 250th birthday with four striking red, white, and blue images of deep space from the Chandra X-ray Observatory. The collection features an exploded star ...

July 3, 2026 Scientists have discovered that a common type of stroke may have a very different cause than doctors once thought. Instead of fatty plaque clogging arteries, the strongest link was found ...