Remembering NASA Astronaut Rich Clifford – Space Center Houston Post author By Mark Post date January 4, 2022 Retired NASA astronaut Rich Clifford died last week due to complications from Parkinson’s Disease. He was 69. read more ← NASA: Exploding meteor had same energy as 30 tons of TNT | TribLIVE.com → NASA Moves Forward With Webb Space Telescope Sunshield Tensioning – SciTechDaily