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 Alexander Gerst took this image of Earth from the International Space Station during his Horizons mission. He posted it with the caption: "Everything’s at stake now. As 20 000 experts from 90 countries gather in Katowice for the world’s biggest climate forum COP24, it's up to all of us to remember there is No Planet B." referring to the United Nation's Climate Change Conference held in Katowice, Poland, on 4 December 2018.
Follow Alexander and the Horizons mission on social media on his website and on his blog.