European Space Agency

European organization dedicated to space exploration

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April 21 2025 ACES began its planned 18-30 month operations phase, externally mounted to the ESA's Columbus Laboratory.
April 21 2025 ACES launched to the International Space Station on a SpaceX Falcon 9 rocket, carrying two atomic clocks: a caesium laser cooled atomic clock (PHARAO) from CNES, France, and an active hydrogen maser (SHM) from Spectratime, Switzerland.
2025 ESA's annual budget reached €7.7 billion, demonstrating continued investment in space exploration and technological development.
March 6 2025 First commercial launch of Ariane 6 (flight VA263), delivering the Composante Spatiale Optique CSO-3 satellite.
2025 MetOp-SG mission begins launching, representing a joint EUMETSAT-ESA operational meteorology mission with a planned constellation of six satellites.
2025 Earth Explorer 7 (Biomass) mission scheduled to launch, focusing on studying the carbon cycle and forest ecology.
December 2024 PROBA-3 microsatellite launched as the fourth Proba series mission for solar observation and formation flying demonstration.
October 2024 Hera mission launched as the European component of the AIDA asteroid deflection test, aimed at studying the impact effects created by NASA's DART mission on Dimorphos.
July 2024 YPSat (Young Professionals Satellite) launched aboard the inaugural Ariane 6 flight, designed and produced entirely by young ESA professionals.
May 2024 Earth Explorer 6 (EarthCARE) mission launched as a joint ESA-JAXA project to characterize clouds, aerosols, and measure Earth's surface radiation.
2023 Launched the Jupiter Icy Moons Explorer and the Euclid spacecraft, which is designed to better understand dark energy and dark matter.
November 2023 Conducted a successful long-firing engine test for the Ariane 6 launch vehicle.
July 2023 Earth Explorer 5 (ADM-Aeolus) mission completed with re-entry, having performed global wind component profiling for advanced weather forecasting.
July 2023 Euclid mission launched as a visible and near-infrared space observatory focused on dark matter and dark energy.
April 2023 JUICE (Jupiter Icy Moons Explorer) mission launched, with planned orbital insertion in July 2031, focused on studying Jupiter's Galilean moons.
December 2022 MTG (Meteosat Third Generation) meteorology mission launched, continuing the joint EUMETSAT-ESA satellite program.
2021 Expected launch of ACES to the International Space Station, which was further postponed due to development challenges with the active hydrogen maser and time transfer microwave system.
2021 ESA ministerial council agreed to the 'Matosinhos manifesto' and began recruitment for the 2022 European Space Agency Astronaut Group.
December 2021 James Webb Space Telescope launched as a joint NASA-ESA-CSA infrared space observatory for general astronomy and cosmology.
October 17 2020 ESA signed a memorandum of understanding with the South African National Space Agency (SANSA).
February 2020 Solar Orbiter mission launched to perform in-situ studies of the Sun at a perihelion of 0.28 astronomical units.
December 2019 CHEOPS space telescope mission launched to study known exoplanets.
January 21 2019 ArianeGroup and Arianespace announced a one-year contract with ESA to study and prepare for a lunar regolith mining mission.
2018 Lunar Lander mission proposed for launch was put on hold due to lack of financial support and subsequently superseded by Argonaut mission.
October 2018 BepiColombo, a joint ESA-JAXA reconnaissance mission to Mercury, launched using two unique spacecraft.
2017 ESA sent two astronauts to China for two weeks of sea survival training with Chinese astronauts in Yantai, Shandong.
March 2016 Schiaparelli demonstration mission launched to test landing technologies for the ExoMars surface platform, but failed upon landing on Mars.
March 2016 Trace Gas Orbiter launched as part of the ExoMars mission to observe methane in Mars' atmosphere for potential life detection.
January 2016 EDRS (European Data Relay Satellite) network launched, beginning a geosynchronous optical communication satellite constellation with EDRS-A and EDRS-C.
December 2015 LISA Pathfinder launched to demonstrate technologies for the future LISA Gravitational-wave observatory mission.
February 2015 IXV experimental suborbital re-entry vehicle launched as a demonstration mission for reusable launchers.
September 2014 ESA signed an agreement with Sierra Nevada Corporation for cooperation on the Dream Chaser project.
April 2014 Sentinel family of Earth observation missions launched as ESA's contribution to the European Commission's Copernicus Programme.
December 2013 Gaia astrometry mission launched, aimed at measuring positions and distances of over one billion objects in the Milky Way.
November 2013 Earth Explorer 4 (Swarm) mission launched with three spacecraft to study Earth's magnetic field.
July 2013 Alphasat launched as a joint Inmarsat-ESA mission, being the largest satellite ever built by Europe, designed to serve communication needs in Africa, Asia, and Europe.
May 2013 PROBA-V microsatellite launched as the third Proba series mission, focused on mapping land cover and vegetation growth across Earth.
2012 Initial planned launch readiness for the Atomic Clock Ensemble in Space (ACES) project, which was subsequently delayed.
2012 EXPERT hypersonic re-entry vehicle project was indefinitely postponed due to Roscosmos' withdrawal from the project.
November 2012 ESA decided to join NASA's Orion programme, with the Automated Transfer Vehicle (ATV) potentially forming the basis of a propulsion unit for the new crewed spacecraft.
October 2011 Galileo satellite navigation project launched, aiming to create an independent European global navigation satellite system.
April 2010 Earth Explorer 3 (CryoSat-2) mission launched to study Earth's polar ice caps, successfully relaunching the previously failed CryoSat mission.

This contents of the box above is based on material from the Wikipedia articles List of European Space Agency programmes and missions, European Space Agency & Atomic Clock Ensemble in Space, which are released under the Creative Commons Attribution-ShareAlike 4.0 International License.

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