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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Every year on 22 April, we’ve celebrated Earth Day and the beautiful planet we call home. Earth Day has been used to highlight our planet’s environmental challenges and raise awareness of the importance of protecting our world for future generations. But shouldn’t every day be Earth Day? We only have one beautiful planet after all.
The image of Earth on the left was captured on 22 April 1990 by Meteosat-4 (the fourth satellite from the Meteosat First Generation), while the image on the right was captured by MSG-4 (the fourth satellite in the Meteosat Second Generation) on 22 April 2022.
Read the full story: 10 remarkable Earth facts