
Iridescent feathers unlock clues to a 66-million-year-old dinosaur mystery
Researchers report iridescent feathers on a 66-million-year-old carnivorous dinosaur (likely Tyrannosaurus rex or Nanotyrannus), with the shimmering plumage offering new insight into dinosaur coloration and display and helping address long-standing questions about what these predators looked like and how they behaved.

