Engine Malfunction Delays Cygnus XL Cargo Delivery to ISS
A main engine issue on Northrop Grumman's Cygnus XL spacecraft has postponed its scheduled cargo delivery to the International Space Station.
Northrop Grumman's Cygnus XL spacecraft, launched on September 14, 2025, encountered a main engine malfunction during its journey to the International Space Station (ISS), delaying the delivery of over 11,000 pounds of supplies and scientific equipment. The spacecraft's main engine shut down prematurely during two orbital adjustment burns, preventing it from reaching the ISS as planned. NASA confirmed that all other systems aboard Cygnus XL are functioning normally and that mission teams are developing a revised approach plan. The Cygnus XL, an upgraded version of previous models, was on its maiden voyage and intended to remain docked with the ISS until March 2026. The delay underscores the complexities of space logistics and the importance of contingency planning in space missions.