The health secretary fired the entire panel that recommends vaccines. Plus, the EPA moves to expedite cleanup of Superfund sites.

Former President Joe Biden’s diagnosis with an aggressive form of prostate cancer has put a spotlight on prostate cancer screening.

Scientists look inside the fossilized stomach contents of a massive dinosaur. And, why some birds listen for prairie dogs’ alarm calls.

Collagen from a fossilized bone fragment can identify the animal it came from. And, some new info about our galaxy’s eventual extinction.