Aeronautics & Aerospace

The UAE’s Hope probe has successfully arrived in orbit around Mars

Technology Review: Update 11:20 a.m. Eastern: The Hope probe is officially in orbit around Mars. Fewer than half of all the spacecraft that have been sent to Mars have actually made it. For every celebrated mission like NASA’s Curiosity Rover, there’s…

Alphabet’s Loon Failed to Bring Internet to the World. What Went Wrong?

IEEE Spectrum: Loon’s soaring promise to bring Internet access to the world via high-altitude balloons deflated last week, when the company announced that it will be shutting down. With the…

The NASA Engineer Who’s a Mathematician at Heart

Quanta Magazine: Just before World War II, the American civil rights activist A. Philip Randolph persuaded President Roosevelt to end discrimination on the basis of race, color and national origin in defense-industry employment. Not long after, in 1941, Roosevelt issued executive…

Highlights From NASA’s SLS Rocket Hot-Fire Test

New York Times: The space agency ignited the engines of its Space Launch System in a “hot fire” test, but it didn’t last as long as had been expected. In a fiery demonstration of power, the four engines of NASA’s next mighty…