Europe's bold 'Explore 2040' campaign aims to get astronauts to the moon and Mars

Artist's impression of a moon exploration scenario.
Artist's impression of a moon exploration scenario. (Image credit: ESA-ATG)

The European Space Agency (ESA) is charting a bold course for the future, aiming to solidify Europe's position in space exploration through the "Explore 2040" initiative.

Josef Aschbacher, director-general of ESA, emphasized the need for Europe to increase its space activities during an Oct. 16 talk at the International Astronautical Congress (IAC) 2024 in Milan. The agency is now building a strategy to define its future. One key pillar of this is exploration.

"We have a process with our Member States called Explore 2040, which is a perspective at the horizon of 2040 and where Europe can go," Daniel Neuenschwander, director of human and robotic exploration at ESA, said in Milan.

"What we want, above all, is to increase the pace and how we conduct programs," Neuenschwander said. That includes speeding up innovation and developing transportation and infrastructure for exploration, he added.

Related: Europe makes moves to rendezvous with asteroid Apophis in 2029

Neuenschwander laid out plans for a presence in low Earth orbit (LEO), before heading to the moon and beyond.

"We want to bring Europeans around the moon and on the surface of the moon… And then the horizon goal is, of course, to bring humans to Mars," Neuenschwander said.

At the heart of "Explore 2040" is the upcoming 2025 Ministerial Council meeting, where member states will determine the future course for Europe in space. These key summit meetings take place every three years to decide the level of commitment of ESA's member states and which programs they will commit to. Support is vital for Explore 2040.

The plan for LEO involves securing a post-International Space Station (ISS) pathway, which includes a LEO cargo program which, through developing return capabilities, can set the stage for full European human spaceflight capabilities. 

Speaking in Milan, ESA astronaut Samantha Cristoforetti stated that initial goals include demonstrating end-to-end cargo delivery and return services to the ISS.

Diagram laying out some of Europe's planned exploration activities in the next decade or so, as presented at the International Astronautical Congress in Milan in October 2024.  (Image credit: Andrew Jones/Space.com)

For the moon, Europe is already providing the European Service Module as part of NASA's Orion spacecraft, meaning ESA will already be flying to the moon in some form. The next stage, however, is landing capabilities. 

For this, ESA is developing Argonaut, a class of landers for putting cargo on the moon, being designed in partnership with Airbus. 

The logistics lander will be crucial to enabling international cooperation and sustainable lunar operations, according to ESA astronaut Alexander Gerst.

"Argonaut fills in the gap of how we approach landing on the moon and then being able to operate on the surface, thanks to the 1.7 tons of cargo [it can carry]," Gerst said.

For the road to Mars, ESA plans to proceed with the LightShip program to establish a communication and navigation network around Mars. LightShip is, according to ESA, an electric propulsive tug that will deliver one or more passenger spacecraft to Mars, provide communications and navigation services, and be capable of carrying a range of scientific payloads.

European Space Agency astronauts Luca Parmitano (right), Alexander Gerst (center) and Samantha Cristoforetti (right) discuss Europe's moon exploration plans at the International Astronautical Congress in Milan in October 2024.  (Image credit: Andrew Jones/Space.com)

These ambitions indicate how ESA is positioning itself to make the agency instrumental to future exploration. 

In addition to these commitments, ESA is initiating its Moonlight program to provide navigation and communications services around the moon. It will be commissioning several small lunar missions, depending on the outcome of the 2025 ministerial summit. For Mars, it is committed to launching the much-delayed Rosalind Franklin rover and providing the Earth return orbiter for the Mars Sample Return mission with NASA

For consideration in the following crucial Ministerial Council in 2028 will be lunar prospecting and sampling missions, possibly a lunar remote camp, and lunar Gateway cargo return, as well as a possible evolution of the Argonaut lander. A new phase of post-ISS infrastructure development will also be discussed. 

ESA's plans for Explore 2040 are not finalized. It is one aspect of a broader ESA strategy under discussion.

"We have discussed the ESA Strategy 2040, which is a document that is being prepared right now," Aschbacher told reporters during a press conference on Oct. 24, discussing ESA's 329th ministerial meeting. 

"So we have a draft of the document that was presented to the delegations. It was very highly appreciated. We are not yet at the final version. The final version is expected to be prepared for December." 

ESA's vision for 2040 hinges not only on innovative projects but on the unwavering support of its 22 member states to transform plans into reality.

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Andrew Jones
Contributing Writer

Andrew is a freelance space journalist with a focus on reporting on China's rapidly growing space sector. He began writing for Space.com in 2019 and writes for SpaceNews, IEEE Spectrum, National Geographic, Sky & Telescope, New Scientist and others. Andrew first caught the space bug when, as a youngster, he saw Voyager images of other worlds in our solar system for the first time. Away from space, Andrew enjoys trail running in the forests of Finland. You can follow him on Twitter @AJ_FI.

  • billslugg
    Europe intends to use non-reusable Ariane 6 to support the Gateway plus their Moon and Mars aspirations. At the same time, we have reusable rockets they could be taking advantage of. I don't think this plan is going to work.
    Reply
  • George²
    The EU definitely needs a modern and large heavy-duty rocket-space system for taking out big spaceships, it will be a plus if it is reusable. I don't think the EU is capable of creating one by 2040. Maybe by 2050?
    Reply
  • Questioner
    I will suggest an alternative methodology.

    They launch to Vesta pick up water ice for rocket fuel.

    They could even package & slow launch a load of ice back to Earth.

    They take their water ice back to Mars and are solar processing it to H & O on the way.

    They leave their rocket fuel in equitorial orbit around Mars with their return lift-off skyhook assembly,
    & explore pretty much anywhere they want on equitorial Mars. They could explore one place then lift-off and drop and lower down to the next place as long as their fuel holds out.

    They could leave the skyhook assembly in stable equitorial orbit around Mars for the next astronaut crew to use.

    Earth will now have an orbiting fuel for its own beefier skyhook assembly for cheaper easier safer lift-off tech here.

    Let's do this people.

    The only real technical hurdle is a 70 mile cable hanging from the fueled rocket frame assembly.
    Reply
  • Questioner
    On Mars a much shorter cable will work.
    Reply
  • newtons_laws
    Quite ambitious plans from ESA, however the final sentence in the report is the crucial bit "ESA's vision for 2040 hinges not only on innovative projects but on the unwavering support of its 22 member states to transform plans into reality". As was said in the early days of manned spaceflight "No bucks, no Buck Rogers"
    Reply
  • Unclear Engineer
    Has anybody worked out how much payload would need to be sent to Mars to make a "skyhook" that would work, there? Has anybody worked out how much fuel would be needed to keep the skyhook in orbit when it is being used to take craft off the Martian surface?
    Reply
  • Questioner

    A skyhook has to orbit way too fast to achieve geosynchronity.
    Only a super massive body can go low & slow enough to get a reasonable geosynch.

    It's back to a space elevator but with freefall fuel sources to repair any orbit decay.

    Freefall fuel will be needed in abundance to shepherd a massive body into a circular geosynchronous orbit.

    It will put a slight wobble into the rotation of the planet/moon in question.
    Reply
  • ChrisA
    Unclear Engineer said:
    Has anybody worked out how much payload would need to be sent to Mars to make a "skyhook" that would work, there? Has anybody worked out how much fuel would be needed to keep the skyhook in orbit when it is being used to take craft off the Martian surface?
    This is clearly not a 21st-century project. And if it is ever needed depends on if there is ever a need to launch thousands of tons of materials from Mars.

    What's going to happen is that AI and robots will improve to the point where there is no need to send people to space except as tourists. Robots are happy with a one-way trip.

    there unmanned spacecraft will be made smaller and smaller reducing mass to orbit requirements.
    Reply
  • Unclear Engineer
    ChrisA said:
    What's going to happen is that AI and robots will improve to the point where there is no need to send people to space except as tourists. Robots are happy with a one-way trip.
    Well, maybe not, if the AI becomes "self-aware". Perhaps you should restream the "Blade Runner" movie?

    Predicting the future has not been a very successful process, especially when it assumes future inventions, or even the successful implementation of already known physical principles.

    Nuclear fission power did not turn out to be "too cheap to meter", as some predicted in the 1950s, and nuclear fusion power did not materialize "within 50 years" of its conception in the 1950s. Not to mention all of the Hollywood fantasies involving future technologies that everybody understands are fantasy.

    Yes, we have done some "fantastic" things in the period since the end of World War II. But, we have not been so good at predicting those things, or what effects they will have on human societies, very far in advance.

    And, along with the hopeful predictions, we also have fearful predictions to consider.
    Reply