It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star.

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

The Methuselah Star, also known asHD 140283, has long been a subject of fascination among astronomers. Its age, initially estimated to be older than the universe itself, challenged our understanding ...