NASA will hold a NASA Science Update at 2:15 p.m. EDT on Thursday, Oct. 15, to discuss new science data of our galaxy obtained from the agency's Interstellar Boundary Explorer, or IBEX, spacecraft. NASA Television and the agency's Web site will provide live coverage of the briefing from the James E. Webb Memorial Auditorium at NASA Headquarters, 300 E St. SW, in Washington.

The briefing participants are:

- David McComas, IBEX spacecraft principal investigator and assistant vice president, Space Science and Engineering Division, Southwest Research Institute in San Antonio
- Eric Christian, IBEX deputy mission scientist, NASA's Goddard Space Flight Center in Greenbelt, Md.
- Rosine Lallement, senior scientist at the French National Center for Scientific Research in Paris
- Lindsay Bartolone, lead of Education and Public Outreach at the Adler Planetarium in Chicago
- Don Mitchell, Cassini spacecraft instrument scientist, IBEX co-Investigator, Johns Hopkins University Applied Physics Laboratory in Laurel, Md.

Reporters unable to attend the briefing may ask questions by telephone. To reserve a telephone line, journalists should e-mail their name, media affiliation and telephone number to Sonja Alexander at:

For more information about NASA TV schedules, downlinks and streaming video, visit: