Latest Richard Muller Stories
One skeptical climate scientist has changed his beliefs, and now says that human activity is indeed causing the Earth to warm.
Richard Muller is a guy who thinks spouting fun physics facts will make you the life of the party -- and his new book, "The Instant Physicist: An Illustrated Guide," may just convince you he's right.
A detailed and extensive new analysis of the fossil records of marine animals over the past 542 million years has yielded a stunning surprise. Biodiversity appears to rise and fall in mysterious cycles of 62 million years for which science has no satisfactory explanation.