Add Yahoo as a preferred source to see more of our stories on Google. More than 160 million people are under extreme warnings as a dangerous a heat wave scorches much of the East Coast and Midwest.

Blackburn, a conservative Tennessee Republican and vice chairwoman of the House Energy and Commerce Committee, has been skeptical about scientific research showing that human activities have altered ...

More than 160 million people are under extreme warnings as a dangerous a heat wave scorches much of the East Coast and Midwest. Bill Nye “The Science Guy” joins Antonia Hylton to break down how ...