A brainy human relative who lived during an ice age nearly 150,000 years ago adapted to the bitter cold by developing a sophisticated stone-tool industry, according to a new study of a crystal-studded rib bone found in China.
A team of U.S. astronomers has observed a binary pair of white dwarfs where one star is actively devouring material from the other. Led by Emma Chickles at MIT, the researchers revealed one of the clearest views yet of how ultracompact white dwarf binaries ex…
Both halves of this claim are well supported, and neither rests on a single study. About 8 percent of the human genome, by the standard estimate, consists of sequences left behind by ancient retroviruses. And among those sequences are a small number of genes …
