June 25, 2026
Spaceflight Now
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop
  • Donate
Breaking News
  • [ June 24, 2026 ] West Coast Falcon 9 launch continues expansion of SpaceX’s Starlink network Falcon 9
  • [ June 23, 2026 ] NASA, Boeing committed to Starliner-1 launch despite unclear timeline Mission Reports
  • [ June 23, 2026 ] SpaceX launches reentry capsule demo mission called ‘Starfall’ Falcon 9
  • [ June 22, 2026 ] NASA’s Nancy Grace Roman Space Telescope arrives in Florida Falcon Heavy
  • [ June 20, 2026 ] SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg Falcon 9

OTD…April 29 and STS-51B

April 29, 2015 Justin Ray

#OTD…Launch of Challenger in 1985 on a Spacelab research flight

  • OTD
  • STS-51B

Related Articles

Uncategorized

OTD…Sept. 19 and Endeavour retirement

September 19, 2015 Justin Ray

#OTD in 2012…Kennedy Space Center bid final farewell to Endeavour

Video

OTD…June 3, 1965 and the first American walk in space

June 3, 2016 Justin Ray

The flight of Gemini 4 launched today in 1965 for NASA’s first Extra Vehicular Activity spacewalk by Ed White on a four-day orbital mission with commander Jim McDivitt.

News

April 12, 1981: 35 years since the maiden space shuttle launch

April 12, 2016 Justin Ray

America’s first space shuttle launched on this day 35 years ago as the reusable flying machine, Columbia, lifted off from Kennedy Space Center with John Young and Bob Crippen aboard.

News Headlines

  • West Coast Falcon 9 launch continues expansion of SpaceX’s Starlink network
    June 24, 2026
  • NASA, Boeing committed to Starliner-1 launch despite unclear timeline
    June 23, 2026
  • SpaceX launches reentry capsule demo mission called ‘Starfall’
    June 23, 2026
  • NASA’s Nancy Grace Roman Space Telescope arrives in Florida
    June 22, 2026
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg
    June 20, 2026
  • SpaceX launches intelligence-gathering satellites for the National Reconnaissance Office
    June 18, 2026
  • Arianespace launches its heaviest payload to date with Amazon Leo flight
    June 17, 2026
  • SpaceX launches 3 Block 2 BlueBird satellites for AST SpaceMobile
    June 16, 2026
  • Astrobotic showcases Griffin-1 lander ahead of environmental testing in California
    June 16, 2026
  • SpaceX launches its first Falcon 9 rocket since Nasdaq debut
    June 14, 2026
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop
  • Donate

© 1999-2026 Spaceflight Now Inc