Scientific American

Roughly 8,000-year-old remains unearthed from present-day Tunisia held a surprise: European hunter-gatherer ancestry

Almost 40 years ago, Joseph Borzelleca published a study on the food coloring Red No. 3. The FDA cited his work when banning the additive in January. But the researcher says the dye is safe

In colorful photographs of galaxies, stars, planets, and more, what you see isn’t necessarily what you get

Mathematicians discuss some of the most compelling unsolved problems in the field

How an incorrect value of pi almost got codified into law

Animal emotions—including joy—may be key markers of conscious beings