Origin of dinosaur-killing asteroid remains a mystery
Tuesday, September 20, 2011 - 08:30
in Paleontology & Archaeology
(PhysOrg.com) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) mission indicate the family of asteroids some believed was responsible for the demise of the dinosaurs is not likely the culprit, keeping open the case on one of Earth's greatest mysteries.