Todd Halvorson Latest articles by Todd Halvorson Explorer I Launch Team Recalls America's First Satellite By Todd Halvorson published 31 January 08 Space Exploration Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1'The Big One' could rock the Pacific Northwest and fuel sea-level rise and massive flooding2Gigantic, glow-in-the-dark cloud near Earth surprises astronomers32,300-year-old sword with swastikas unearthed at necropolis in France4Humans heal much more slowly than chimps do. Researchers are still trying to figure out why. 5Scientists may finally know where the oldest gold in the universe came from
