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 interacting pair of galaxies M51 (bottom) and NGC 5194 (top) as viewed through ESASky, ESA's interactive portal to access astronomical data from space science missions. The green squares are footprints on the sky of different instruments on board the NASA/ESA Hubble Space telescope.
ESASky is a discovery portal that provides full access to the entire sky. The open-science application contains over half a million images, 300 000 spectra and more than one billion catalogue sources.
ESASky features an easy-to-use interface to explore, visualise and download science-ready data from any position in the sky by zooming and panning.