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On 11 February, International Day of Women and Girls in STEM, we are spotlighting the Genesis mission by speaking to Sara Gidlund, Head of the Genesis Project and Gaia Fusco, Genesis System and Operations Manager about the vision behind a mission for the world.
In this video, the women behind Genesis show how strong leadership drives technical innovation at ESA and inspire the next generation to lead with curiosity, vision and impact.
More on Genesis.

It its most powerful version, Ariane 6 uses four boosters to lift off and rocket towards space.

Designed for versatility, Ariane 6 can adapt to each mission: flying with two boosters for lighter payloads, or four boosters when more power is needed. 

In its four-booster configuration, Ariane 6 can carry larger and heavier spacecraft into orbit, enabling some of Europe’s most ambitious missions — such as Argonaut.

Which crops can sustain humans in space during long duration missions? In this video, we explore three types of plants that may be suitable. Find the corresponding classroom resource here.

This educational activity was designed with primary STEM teachers in mind, but can be done by anyone, anywhere!

ESA astronaut Sophie Adenot is preparing to launch to the International Space Station for her first space mission: εpsilon.

After years of intensive training — from emergency procedures to spacewalk simulations — the countdown has begun. Flying alongside astronauts from NASA and Roscosmos, Sophie will join an international crew living and working together in space.

Aboard the ISS, Sophie will live and work in microgravity, conducting scientific research and performing a range of European- and French-led experiments that advance knowledge for life on Earth and in space.

Join us live on YouTube to watch the launch of Sophie Adenot.

Timelapse video showing the central core for the Ariane 6 rocket arriving at the launch pad at Europe’s Spaceport in French Guiana. The Ariane 6 rocket being assembled here will be the first to fly with four boosters, doubling liftoff thrust for the launcher, and see Ariane 6 take satellites for Amazon’s Leo constellation to orbit. 

Four automated vehicles transported the Ariane 6 central core from the launcher assembly building to the launch pad that is about 800 meters away on 21 January 2026. 

Once at the launch pad, choreographed movements by two of the automated vehicles and a crane equipped with a lifting beam, raised the central core to its vertical launch position and placed it on the launch table. It was then rotated so that the stages’ fluid connections were positioned opposite the launch pad umbilicals that will supply the liquid hydrogen and liquid oxygen fuel for launch. 

The four boosters used on this flight were connected to the central core on the launch pad the next day. The booster structures are produced in Italy and then filled with solid propellant at Europe’s Spaceport at their booster finishing facility. Ariane 6 flight VA267 will be the first flight to use four boosters to get to orbit. Each P120C solid rocket booster is 13.5 m long and 3.4 m in diameter. Filled with about 142 tonnes of solid propellant, they provide around 4500 kN of maximum thrust. Working together the boosters will provide the majority of the thrust during Ariane 6’s launch to get it off the launch pad. 

Ariane 6 in its four-booster configuration doubles the rocket’s performance compared to the two-booster version that has flown five times including the inaugural flight in 2024. The P120C boosters used by Ariane 6 are one of the most powerful one-piece motors in production in the world. Flying with four boosters takes Ariane 6 to a whole new class of rockets. With the extra thrust from two more boosters Ariane 6 can take around 21.6 tonnes to low Earth orbit, more than double the 10.3 tonnes it could bring to orbit with just two boosters. The flight will demonstrate and prove the performance of four boosters working together with the main stage in real flight. 

Ariane 6 is Europe’s newest heavy-lift rocket, designed to provide great power and flexibility at a lower cost than its predecessors. The rocket provides Europe with greater efficiency and an ensures access to space for the benefits of humankind, allowing for all types of missions from exploration to navigation, science and communications.   

ESA astronaut Sophie Adenot (FR) is scheduled to fly to the International Space Station in 2026. Her first mission to the International Space Station, εpsilon, is named after the fifth Greek letter and the fifth brightest star of the Leo constellation, following the French tradition to name human spaceflight missions after celestial bodies. It also pays tribute to the five career astronauts of ESA’s 2022 class. In mathematics, 'ε' represents something small. In the extensive collaborative effort of space exploration, involving thousands of participants, all roles, including the astronaut’s role, stay small, yet all are meaningful.

Just as the name reflects the power of small, yet impactful contributions and how multiple parts unite to create a whole, so does the idea behind the patch design. The hummingbird motif is central; though one of Earth’s smallest birds, it plays a crucial role in the jungle’s ecosystem, pollinating numerous plants. Around the edge is a ring of small dots, symbolising the many small contributions that together make great achievements possible. All these little actions that can be coordinated to form a circle and close the loop. At the top, three of these dots are coloured – blue, white and red – representing Sophie’s home country, France, and ESA’s exploration destinations: Earth, the Moon and Mars.

Three lines emerge from the 'i' of the εpsilon, shaping the tail of a shooting star, a poetic reminder that dreams keep us alive. Also featured are five stars, a tribute to the five career astronauts of ESA’s 2022 class. At the base of the patch is round blue shape, representing Earth’s surface and its natural beauty: mountains, forests and landscapes that Sophie enjoys exploring. It serves as a reminder of our motivation for spaceflight: to explore, learn and return with this knowledge to benefit life on Earth.

From an emotional perspective, the same message is conveyed. In life’s intricate tapestry, small threads contribute to create the most beautiful patterns. A kind word, a gentle smile, a moment of patience – these seemingly insignificant actions can transform lives and shape destinies. This patch invites each of us to embrace the potential of our smallest actions as they ripple outward, touching hearts and inspiring souls.

Media representatives joined French ESA astronaut Sophie Adenot, on Monday 5 January, for a hybrid press conference to learn more about her first mission to space.

This event, held at the European Astronaut Centre (EAC) in Germany, was the final media event in Europe ahead of her launch to the International Space Station.

Sophie selected the name ‘εpsilon’ for her first mission, currently planned no earlier than 15 February, reflecting the power of small, yet impactful contributions, and how many parts come together to make a whole.

During εpsilon, Sophie will conduct a wide range of tasks on the International Space Station, including European-led scientific experiments, medical research, supporting Earth observation and contributing to operations and maintenance on the Station.