ScienceHow did birds evolve from dinosaurs? New clues help tell the story No single "missing link" between dinosaurs and birds, researchers say, but rather a gradual evolution. Earliest birds would have been indistinguishable from their immediate dinosaur ancestors, they explain.by Jim Algar
ScienceRestoring the Great Lakes: EPA’s plan to improve world’s largest freshwater sourceby Rebecca Kaplan
ScienceRaising chimpanzees apart from other chimps hurts them in the long run, says studyby Rebecca Kaplan
ScienceShape-shifting UFO? Clouds? Nope, just migrating Monarch butterflies showing up on radarby Sumit Passary
ScienceHair extensions are not new. Scientists unearth 3,000-year-old Egyptian woman with hair extensionsby Sumit Passary