ScienceDivers Retrieve 'Atlantis' Metal Orichalcum from Ancient Shipwreck Divers exploring an ancient shipwreck discovered 39 ingots believed to be made of the legendary metal orichalcum that Plato said was forged and used in the city of Atlantis.by Rhodi Lee
SciencePentagon Pushes Back Date for SpaceX to Compete for U.S. Military Satellite Launchesby James Maynard
ScienceHubble Probes Fermi Bubbles, Galactic Shockwave from Massive Explosion at Center of Milky Wayby Sumit Passary