How heavy can an element be? An international team of researchers has found that ancient stars were capable of producing elements with atomic masses greater than 260, heavier than any element on the ...

Editor’s Note: This story is part of CNN’s coverage of Black History Month and its ongoing commitment to honoring unsung heroes. While other seventh graders hung ’90s pop band and movie posters on ...

How heavy can an element be? An international team of researchers has found that ancient stars were capable of producing elements with atomic masses greater than 260, heavier than any element on the ...