Fifty years ago: A few of Challenger from behind it, with South Massif looming in the distance. *** The sun… Read more Apollo 17, EVA #1: The first of the last moonwalks

Challenger on the moon: The Apollo 17 landed on the moon at Taurus-Littrow on Dec. 11, 1972, for a 75-hr.… Read more Fifty years ago: The last Apollo lands on the moon

Destination Taurus-Littrow: A view of the valley Apollo 17 aimed to explore, taken as it passed over the site. The… Read more Fifty years ago: Apollo 17 enters lunar orbit

Fifty years ago: The Apollo 17 photo of the full Earth, showing the Middle East (at top), Africa and Antarctica.… Read more Apollo 17: TLI-ing through sunrise

Dec. 7, 1972: After a 2 hr. 40 min. delay, Apollo 17 is launch on the last mission to the… Read more 50 years ago: The last Apollo moonshot

Fifty years ago, Nov. 11: Columbia deploys its first communications satellite, SBS-3, just hours after launch on the first operational… Read more STS-5: A second Shuttle inaugural

*** If the the righthand hatch of Gemini 4 didn’t seal, Jim McDivitt and Ed White, who’d just completed the… Read more Jim McDivitt & the art of analytics

*** You and I Become we And we are Wally Schirra, pilot of Sigma 7, Mercury-Atlas (MA)-8, The third Mercury… Read more 60 years ago: The textbook flight