The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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ESA astronaut Luca Parmitano and NASA astronaut Andrew Morgan are helped into their American EMU spacesuits by NASA astronaut Christina Koch and Russian cosmonaut Oleg Skripochka ahead of the second spacewalk to service AMS-02.
The Alpha Magnetic Spectrometer AMS-02 is a cosmic ray detector that is helping scientists understand more about the origins of our Universe. To continue delivering groundbreaking science, its cooling system must be upgraded. However, it was never designed to be maintained in orbit making the spacewalking series particularly complex.