Every medication in your cabinet, every material in your phone's battery, and virtually every compound that makes modern life work started as a molecular guess, with scientists hypothesizing that a ...

Beating the previous record for the oldest known cave artwork by at least 15,000 years, a hand stencil in an Indonesian cave ...

FILE: Dave Rempel, 28, a biologist with the Institute for Wildlife Studies, carries a juvenile bald eagle in a kennel to a ...