Long before Western astrology, the Chinese zodiac helped organize years, beliefs, and social life. Here’s how the system of 12 animals evolved over the centuries.

UK Biobank has recently finished profiling blood metabolites from 500,000 U.K. volunteers, opening paths to earlier disease detection. The project measured metabolites – small molecules made as cells ...

Navy SEAL trainees and other sailors hoping to join one of a handful of hard-charging Navy jobs have to pass many brutal fitness tests. But beginning this year, fully qualified SEALs and others in ...

Emily Mae Czachor is a reporter and news editor at CBSNews.com. She typically covers breaking news, extreme weather and issues involving social justice. Emily Mae previously wrote for outlets like the ...

Delcy Rodríguez is the torchbearer of a government whose revolutionary roots are in disarray. She must appease constituencies who loathe U.S. meddling while fielding Washington’s demands. By Simon ...