Yet, if that's true, why aren't birds cold-blooded like most modern-day reptiles? The answer is straightforward: Most dinosaurs were probably warm-blooded, too. Birds are descended from a diverse ...

A team of life scientists at East China Normal University has found that at least one type of cold-blooded animal uses behaviorally-induced fever to battle infections. In their paper published in ...

Sunday marked 134 years since a "brutal, cold-blooded massacre" of the Indigenous Lakota Sioux people of the Great Plains, a tragedy that drew more scrutiny from the U.S. government in recent months.

Sunday marked 134 years since a "brutal, cold-blooded massacre" of the Indigenous Lakota Sioux people of the Great Plains, a tragedy that drew more scrutiny from the U.S. government in recent months.