New research finds gentoo penguins are four distinct species
Ten years ago, as Dr Jane Younger started analysing data for her PhD, something struck her as odd.…
Scientists Discover Four-Winged Dinosaur That Changes How Birds Learned to Fly
Fossil specimen of Anchiornis huxleyi (four-winged dinosaur). Credit: Jonathan Chen / Wikimedia Commons / CC BY-SA 4.0 A…