Scientists on the International Space Station (ISS) have successfully 3D printed a metal part in space - an out-of-this-world first. The achievement is significant, as this 3D fabrication capability is thought to be key for the success of future long-duration missions.
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Numerous challenges were overcome by the team from the European Space Agency (ESA) to achieve metal in-orbit manufacturing capabilities.  

 Recently, the ISS achieved a groundbreaking feat by conducting the first metal 3D printing in space. This event took place in the Columbus laboratory module and involved the use of liquefied stainless steel, showcasing the potential for more complex manufacturing processes in microgravity environments. This advancement is expected to pave the way for future long-term space expeditions 

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