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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The four ‘aquanauts’ of the 19th NASA Extreme Environment Mission Operations (NEEMO) from left: Canadian astronaut Jeremy Hansen, ESA trainer Hervé Stevenin, ESA astronaut Andreas Mogensen and NASA astronaut astronaut Randy Bresnik.
NASA’s underwater training missions are held off the coast of Florida and send astronauts 20 m below the sea to live in a makeshift space base where they conduct regular ‘waterwalks’ in scuba gear.