NASA Headquarters in Washington will welcome space shuttle Discovery's STS-131 astronauts for a visit Tuesday, May 25, through Thursday, May 27.

LONDON, April 20, 2010 /PRNewswire/ -- InterCasino (http://www.intercasino.co.uk/), the world's first online casino, is calling on NASA astronauts Rick Mastracchio and Clayton Anderson for their help.

Space shuttle Discovery Mission Specialists Rick Mastracchio and Clayton Anderson completed the replacement of a depleted ammonia coolant tank on the International Space Station, finishing the complex three-spacewalk process.

STS-131 Mission Specialists Rick Mastracchio and Clay Anderson completed a seven-hour, 26-minute spacewalk at 7:56 am Central.

Moving equipment and supplies brought to the International Space Station by Discovery, preparation for the mission’s second spacewalk on Sunday and chats with media representatives and students filled much of the crews’ day.