Even hardened tooth tartar can rewrite textbooks,” said evolutionary geneticist Qiaomei Fu, whose research team has just closed the 15 year gap in the history of one of humanity’s most elusive ...

One woman was killed and four others were injured in Wednesday's shooting. A gunman killed one and wounded four others in a mass shooting in an Atlanta medical center waiting room on Wednesday, police ...

US President Donald Trump signed an executive order Monday designating illicit fentanyl as a "weapon of mass destruction". “Today I’m taking one more step to protect Americans from the scourge of ...