WASHINGTON, Jan. 29 -- NASA issued the following news release: * * * NASA Invites Media to Discuss PUNCH Mission to Study Solar Wind Caption: Illustration of the four PUNCH spacecraft in low Earth orbit. Credit: NASA's Goddard Space Flight Center ConceptualLab NASA will hold a media teleconference at 2 p.m. EST on Tuesday, Feb. 4, to share information about the agency's upcoming PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission, which is targeted to launch no earlier than Thur  more