Videos

NASA officials talked about the agency’s Mars Science Laboratory. The MSL mission would assess a variety of scientific questions, including whether part of early Mars had an environment favo…

NASA reported a significant discovery about planets orbiting other stars made by the Hubble Space Telescope’s Advance Camera for Surveys instrument. Officials answered questions about the di…

The National Academies Space Studies Board met to examine ways to extend the useful life of the Hubble space telescope. They heard presentations from NASA officials and also discussed the co…

National Aeronautics and Space Administration and Jet Propulsion Laboratory officials presented the first close-up pictures taken by the Cassini-Huygens spacecraft after its arrival in Satur…

NASA Officials spoke to reporters about the status of Mars rover missions and their finding that several rocks examined had been formed by water. Following their remarks they answered questi…

NASA Officials spoke to reporters about the status of Mars rover missions and results of experiments performed by the Mars Opportunity rover that found that water had existed on Mars. They t…

NASA officials talked about the exploration of Mars. They gave a brief overview of past missions to Mars and the reasons for exploring the planet, but focused on the Spirit rover mission, wh…

Edward Weiler, Associate Administrator for Space Sciences at NASA, talked about the threat posed by Near-Earth objects, such as asteroids and comets, to the survival of the planet. This issu…

Mr. Weiler talked about the Hubble Space Telescope and showed some illustrations of its work. He responded to audience telephone calls, faxes, and electronic mail. Mr. Hager served as gue…

NASA management held a news conference on different aspects of the STS-95 mission. Members discussed what they hoped to accomplish on the mission. They answered reporters' questions.

NASA officials testified to the Senate Commerce Subcommittee about a possible error in the construction of the Hubble space telescope. The telescope was in orbit in a satellite but was unabl…