A spacewalk scheduled for two astronauts outside the International Space Station was canceled by NASA about an hour before it was to begin Thursday morning.
A roundup of recent science news highlights includes discussions on the role of freezing embryos in IVF, DNA revelations from Maya sacrifices at Chichen Itza, and multiple updates from NASA, such as a canceled spacewalk, a misbroadcast simulation, and a delayed return of the Starliner crew. All these events underline crucial scientific and technological advancements and discussions.