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 ExoMars Trace Gas Orbiter has set new upper limits on methane, ethane, ethylene and phosphine in the martian atmosphere, finding very little evidence for their existence.
The gases are often associated with biological or geological processes, so understanding if they are present or not on another planet is key to understanding what processes may or may not be active on Mars today.
Read more in ExoMars orbiter continues hunt for key signs of life on Mars