Space.com

What's Hot This Week 3 New Heavy Elements Named: Darmstadtium, Roentgenium, Copernicium Jennifer Welsh, LiveScience Staff Writer Two physicists get their place on the periodic table of elements. How to Spot the Huge Asteroid 2005 YU55's Close Encounter With Earth SPACE.com Staff Asteroid 2005 YU55 will be very faint and fast-moving when it flies past Earth on Nov. 8. Sponsored by: Russian Proton Rocket Launches Three New Navigation Satellites Why Asteroids Make Lousy Space Weapons Alien City Lights Could Signal E.T. Planets Deflecting Killer Asteroids Away From Earth: How We Could Do It Vote Now! Top Space Stories of the Week - Nov. 6, 2011