Science Journal Has Embargoed Details Until 2 p.m. EDT on Aug. 4

WASHINGTON — NASA will host a news briefing on Thursday, Aug. 4, at 11 a.m. PDT (2 p.m. EDT) about a significant new Mars science finding. The briefing will be held in the NASA Headquarters James E. Webb Auditorium, 300 E St. SW in Washington.

The new finding is based on observations from NASA’s Mars Reconnaissance Orbiter, which has been orbiting the Red Planet since 2006. Mars Reconnaissance Orbiter is managed by the Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., for NASA’s Science Mission Directorate in Washington.

Local reporters are invited to watch via satellite, with two-way question-and-answer capability, at JPL. Reporters who would like to come to JPL must RSVP to the Media Relations Office in advance at 818-354-5011. Valid media credentials are required, and non-U.S. citizens must also bring a passport.

The briefing panelists are:

— Philip Christensen, geophysicist, Arizona State University, Tempe
— Colin Dundas, research geologist, U.S. Geological Survey, Flagstaff, Ariz.
— Alfred McEwen, planetary geologist, University of Arizona, Tucson
— Michael Meyer, Mars Exploration Program lead scientist, NASA Headquarters
— Lisa Pratt, biogeochemist, Indiana University, Bloomington

Reporters unable to attend in person may ask questions from participating NASA centers or by telephone. To participate by phone, reporters must contact Grey Hautaluoma at 202-358-0668 or grey.hautaluoma-1@nasa.gov by 8 a.m. PDT (11 a.m. EDT) on Aug. 4.

The news briefing will air live on NASA Television and the agency’s website. For NASA TV streaming video, downlink and scheduling information, visit: http://www.nasa.gov/ntv . The event will also be streamed, with a live chat available, at http://www.ustream/tv/nasajpl2 .