Brussels, 22 June 2026
EU Space Research aims to foster a cost-effective, competitive, and innovative space industry and research community. Under Horizon Europe Cluster 4 – Space (Destination 5), HaDEA is funding projects that prepare future evolutions of the EU Space Programme components, foster the EU space sector’s competitiveness, reinforce its independent capacity to access space, and secure its autonomy of supply for critical technologies.
Heading 1 – Accessing Space
HORIZON-CL4-2025-02-SPACE-11: CSA on access to European spaceports
AEAAS
From EU Soil to Outer Space: Regulation as an enabler for Spaceports
REACT
REentry Capsule FAult Detection, Identification and Fault Tolerant Guidance and ConTrol
SERENITY
Space Launcher Advanced Monitoring Systems
Heading 2 – Acting in Space
HORIZON-CL4-2025-02-SPACE-21: ISOS Pilot Mission Detailed Design – Servicing component
EROSS SC
European Robotic Orbital Support Services – Servicing Component
HORIZON-CL4-2025-02-SPACE-21: ISOS Pilot Mission Detailed Design – Servicing component
SCOPE
Servicing, Connectivity, On-orbit Propulsion & Engineering
HORIZON-CL4-2025-02-SPACE-22: ISOS Pilot Mission Detailed Design – HOST
EPRIME
European Platform for Robotic In-orbit Modular Experimentation
HORIZON-CL4-2025-02-SPACE-23: ISOS Pilot Mission Detailed Design – Logistics component
ASTRALIS
Advanced Space Transfer & Resupply Architecture for Logistics in ISOS-environment
HORIZON-CL4-2025-02-SPACE-24: ISOS Pilot Mission Detailed Design – satAPPs component
JANUS
The gateway to SynApps – cognitive, resilient, and autonomous In-Space services
HORIZON-CL4-2025-02-SPACE-24: ISOS Pilot Mission Detailed Design – satAPPs component
smartCASE
smart Configurable Adaptive Spacecraft and Spacecraft Extensions
Heading 3 – Using Space on Earth – Telecommunications and Earth Observation
ARGOS
Artificial intelligence for Real-time Guidance of Onboard SAR applications
INTOPTEO
Integrated Optoelectronic Oscillators for Earth Observation and Satellite Communications
ENTENTE
Integrated Terrestrial/Non-terrestrial Networks, Multi-connectivity Solutions and Terminals
ORION
Orbital Resource Interoperability and Orchestration Network
THEOSCOPE
Advanced Space Telescope, GPU‑based On‑board Processing Hardware & AI Processing For Climate-change Mitigation EO Services
Heading 4 – Using Space on Earth – Earth Observation
CHERRI
Climate Hazards Enhanced Reanalyses & Reasoning with AI
CAMBAS
CAMs for Biosphere Atmosphere exchangeS
CoFlame
Copernicus Fire and Land-Atmosphere Modelling of Emissions
COMEDI
COpernicus Marine services with Enhanced Data assimilation and improved Interoperability
HORIZON-CL4-2025-02-SPACE-45: Supporting the AI/ML digital transition of Copernicus Services
PROTEUS
The Copernicus Agent for Next-Generation Environmental Intelligence
POSEIDON
Pollution Observation from Space: Environmental Imaging for Detections in Oceans & Nearshore
Heading 8 – Boosting Space through non-dependence of the EU for key critical space technologies
COSMIC7
Critical Onboard Space Microprocessors for Independent Capabilities on 7 nm
HALLEY
Highly efficient space solAr ceLL for European non-dependencY
HORIZON-CL4-2025-02-SPACE-73: Space Critical EEE Components for EU non-dependence – Connectors
CONNCERTO
AdvanCed RF and high-speed intercONNeCts for futurE boaRd-to-board space soluTiOns
SUPERPACS
Sustainable production line delivering advanced packaging for space missions
Heading 9 – Boosting Space through international cooperation
FEATS-G
Quantifying the Potential of Quantum Space Gravimetry
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* CORDIS page in production, available soon.
** For topic HORIZON-CL4-2025-02-SPACE-72, the Grant Agreement preparation with one additional project is currently still ongoing.
*** For topic HORIZON-CL4-2025-02-SPACE-74, the Grant Agreement preparation with one additional project is currently still ongoing.
New call open for submission
The new Horizon Europe EU Space Research call 2026 (HORIZON-CL4-2026-SPACE-03) opened on 10 March 2026. With a total budget of €90.97 million, the call offers a wide range of new collaboration opportunities for the space community. The call submission deadline is 3 September 2026 (17:00:00 Brussels time).
Source – EU Commission / HaDEA