Today, Aug. 18, 2009, marks the Mars Exploration Rover Spirit’s 2,000th sol, or Martian day, on the Red Planet. This…
A successful NASA flight test has shown that a spacecraft returning to Earth can use an inflatable heat shield to…
A successful NASA flight test on Monday, Aug. 17, demonstrated how a spacecraft returning to Earth can use an inflatable…
This 1963 model depicts an early Apollo lunar lander concept, called a “bug.” Engineers designed several possible vehicle shapes for…
