A spaceflight disaster was narrowly avoided in 1972. A series of intense solar flares exploded in August, just months before the launch of Apollo 17. Any astronauts on the moon at that time would have died from radiation. As NASA's new lunar missions progress, the threat of radiation still looms.
Physicists Used Sound Waves to Give a Tiny Sun Its Own Kind of Gravity
Last year marked the end of an era in spaceflight—here’s what we’re watching next: Will Artemis happen? Can Starship actually work? Will humans destroy low-Earth orbit?