Last update of this page:  May 14, 2025, 11:09 am ET The Student Spaceflight Experiments Program (SSEP) has provided 22 flight opportunities to date for communities across the U.S., Canada, Brazil/Portugal, and Ukraine to conduct a microgravity experiment design competition at the local level—on the final flights of Space Shuttles Endeavour and Atlantis (STS-134 and … Continue reading Experiments Selected for Flight