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
Go to topicThe first-ever European SpaceTweetup was co-organised by social media teams from ESA and the German Aerospace Center (DLR) in Cologne, Germany, on 18 September 2011, as part of German Space Day. Sixty keen Twitter users from across Europe, the USA and Canada, enjoyed a packed programme with 11 astronauts, ESA and DLR experts on Rosetta and Philae, SOFIA, Earth observation, as well as exclusive tours of SOFIA, the European Astronaut Centre and other attractions of Space Sunday.