A major scientific discovery was announced by NASA at a Sept. 28 news conference. From its vantage point high above the Martian surface, NASAs Mars .\r<br>\r<br>During an Oct. 28 keynote speech at the Center for American Progress, in Washington, NASA Administrator Charlie Bolden spoke about the advancement made .\r<br>\r<br>During a news conference at NASA headquarters, agency scientists and officials discussed new findings from the Mars Reconnaissance Orbiter (MRO) that .\r<br>\r<br>During meetings and public events at the International Astronautical Congress (IAC), Oct. 12-16 in Jerusalem, NASA Administrator Charlie Bolden and several .
