U.S. markets closed
  • S&P 500

    3,647.29
    -7.75 (-0.21%)
     
  • Dow 30

    29,134.99
    -125.82 (-0.43%)
     
  • Nasdaq

    10,829.50
    +26.58 (+0.25%)
     
  • Russell 2000

    1,662.51
    +6.63 (+0.40%)
     
  • Crude Oil

    77.96
    +1.25 (+1.63%)
     
  • Gold

    1,636.50
    +3.10 (+0.19%)
     
  • Silver

    18.36
    -0.11 (-0.62%)
     
  • EUR/USD

    0.9596
    -0.0016 (-0.16%)
     
  • 10-Yr Bond

    3.9640
    +0.0860 (+2.22%)
     
  • GBP/USD

    1.0732
    +0.0049 (+0.46%)
     
  • USD/JPY

    144.7970
    +0.1170 (+0.08%)
     
  • BTC-USD

    19,021.48
    -106.81 (-0.56%)
     
  • CMC Crypto 200

    436.57
    -22.57 (-4.92%)
     
  • FTSE 100

    6,984.59
    -36.36 (-0.52%)
     
  • Nikkei 225

    26,571.87
    +140.32 (+0.53%)
     

Why Liquid Hydrogen Keeps Delaying NASA’s Artemis Launch

NASA’s Artemis I launch has been delayed twice because of liquid hydrogen problems. It’s not a new one for the space agency. Meanwhile, SpaceX has switched to methane. WSJ explains why NASA still uses the leak-prone fuel. Illustration: Laura Kammermann