• European Commission special site on the Tsunami Disaster
• European Commission Space Policy Website
• European Space Agency (ESA)

• Urania Public Observatory website
• Euro Space Center

Earth Observation

• GMES Website (EC-ESA)
• JRC – Institute for the Protection and the Security of the Citizen
• JRC – Institute for Environment and Sustainability
• EEA – European Environment Agency
• ESA – European Space Agency – EO sub-section
• Earth Observation Portal   
• EUMETSAT – European Organisation for the Exploitation of Meteorological Satellites
• EIONET – The European Environment Information and Observation Network (EIONET) is the main vehicle of the European Environment Agency to collect data, information and knowledge on environment.
• Spotimage – the commercial operator of the Spot system which offers satellite data
• GEO (Group on Earth Observations) 

Space activities

Space Agencies

• Austrian Space Agency (ASA)
• Belgium in Space (SSTC)
• British National Space Centre (BNSC)
• Danish Space Research Institute (DSRI)
• French Space Agency (CNES)
• German Aerospace Centre (DLR)
• Hungarian Space Office
• National Observatory of Athens - Greece - Institue of Space Research (NOA)
• Italian Space Agency (ASI)
• Netherlands Agency for Aerospace Programmes (NIVR)
• Polish Space Research Centre
• Spanish National Space Agency (INTA)
• Swedish Space Corporation (SSC)
• Instituto Nacional de Pesquisas Espaciais (Brazil)
• Bulgarian Space Research Institute
• Canadian Space Agency
• Chinese National Space Agency
• Indian Space Research Organisation
• National Space Development Agency of Japan (JPN) 
• Norwegian Space Centre (NO)
• Romanian Space Agency
• Russian Federal Space Agency  
• Swiss Space Office (CH)
• National Space Agency of Ukraine
• NASA – National Space Agency (USA)

Positioning: Navigation and Timing

• GALILEO – Website of the DG Transport and Energy
• GALILEO Joint Undertaking
• A complete presentation of satellite navigation applications, including GALILEO on ESA's website
• EGNOS- EGNOS is the European component of GNSS-1, a European project which will augment the existing positioning signals to make them meet aeronautical requirements
• Eurospace - Recommendations on Navigation programme Galileo
  Eurospace's recommendations to the European Governments regarding the Galileo programme
• European Commission - DG Energy and Transport - Galileo satellite navigation system

Telecommunications

• Joint ESA/EC Task Force on Advanced Satellite Mobile Systems (ASMS-TF)
• Information Society DG website outlining EU policy towards satellite communications
• Presentation of telecommunications applications on ESA website
• ESA's Artes Programme on telecommunications applications
• ESA's Artemis satellite

Industry

• European ISS Business Club
• ESOA, the European Satellite Operators Association
• European Space Industry Directory – this database offers extensive information regarding the products and companies related to space in Europe
• Eurospace – association of the European Space Industry
• EARSC – European Association of Remote Sensing Companies
• OREGIN – Organization of European Gnss equipment and service