The common ancestor of more than 5,000 contemporary placental mammals such as rats, whales, and humans was a small, insect-eating animal that appeared after the dinosaurs went extinct 65 million years ago, an international team of researchers report in...
Leo Hickey, a leading paleobotanist and Renaissance man who led Yale’s Peabody Museum of Natural History from 1982 to 1987, died on Feb. 9. He was 72. The cause was melanoma, said his wife of 45 years, Judy.Leo HickeyA wake is planned for Thursday, Feb....