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 ARTICLES1FDA panel has cast doubt on whether antidepressants are safe in pregnancy. Here's what the science actually says.2Oops! Earendel, most distant star ever discovered, may not actually be a star, James Webb Telescope reveals3Vaccines hold tantalizing promise in the fight against dementia4Which Roman emperor ruled the longest? 5Giant 'X' appears over Chile as 2 celestial beams of light cross: Space photo of the week
