NASA will announce on Tuesday, May 26, 2 p.m. EDT, the selection of science instruments for a mission to Europa, to investigate whether Jupiter's icy moon could harbor conditions suitable for life.

NASA received 33 proposals for science instruments to fly onboard a Europa mission, which would conduct repeated close flybys of the small moon during a three-year period.

Participants in the announcement will be:

•  John Grunsfeld, associate administrator for the Science Mission Directorate, NASA Headquarters
•  Jim Green, director, Planetary Science Division, NASA Headquarters
•  Curt Niebur, Europa program scientist, NASA Headquarters

Get in on the discussion! You can ask questions online via Twitter using #askNASA.

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