Health Secretary Robert F. Kennedy Jr. wants synthetic food dyes out of the American food supply. But one of the nation's most recognizable candy giants — Mars, the maker of M&M's and Skittles — isn't ...

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat and break down plastic, and how animals' sense of smell varies by altitude.

While several major food manufacturers have jumped on board with Health and Human Services Secretary Robert F. Kennedy Jr.'s ...

One of the nation's largest candy makers is pushing back on a years-long effort to remove artificial food dyes from its ...