It's not quite the achievement of a lunar landing, but astronaut Mike Massimino made Twitter history with a 139-character post to the micro-blogging site -- the first person to do so from space.
WASHINGTON, April 28 (UPI) -- The swine flu outbreak is showing the best and worst of Twitter, the highly popular micro-blogging site, Internet experts said.
CHICAGO, April 17 (UPI) -- More than 70,000 people signed up to see U.S. television personality Oprah Winfrey's first message on the micro-blogging Web site Twitter.
HOUSTON, April 6 (UPI) -- A U.S. astronaut says he's using Twitter to detail his last weeks of training for the fifth servicing mission to the Hubble Space Telescope.