Hundreds of millions of people across the United States, Europe and Central Asia endured heat waves and record-setting temperatures starting July 19.

Things were already hot here in Arizona and the Southwest, but high pressure domes, which turn up the heat, covered much of the country,... Read more

Top Image: An X-ray showing the hidden painting Image: nationalgalleries.org

A previously unknown self-portrait by Vincent Van Gogh was recently discovered on the back of another of his... Read more