TL;DR
NASA has officially chosen Relativity Space to deliver its Aeolus atmospheric payload to Mars in 2028. The deal involves Relativity providing the spacecraft, rocket, and cruise operations. This partnership highlights the growing role of private companies in space exploration.
NASA has officially selected Relativity Space to launch its Aeolus atmospheric payload to Mars in 2028, marking a significant partnership between the space agency and a private rocket company led by Eric Schmidt.
Under this new public-private partnership, Relativity Space will provide the spacecraft, rocket, and cruise operations necessary to deliver the Aeolus payload to Mars. The payload aims to provide the first integrated, daily, global view of Martian winds, temperatures, dust, and clouds, which NASA states will directly support safer entry, descent, and landing systems for future crewed missions.
Relativity Space, founded by former Google executive Eric Schmidt who became CEO in 2025, is known for its innovative use of 3D printing in rocket manufacturing. The company previously launched the Terran 1 rocket, which was the world’s first 3D-printed rocket but experienced a failure shortly after launch. Its larger Terran R rocket is scheduled for its first launch later this year.
Implications for Mars Exploration and Public-Private Partnerships
This selection underscores the increasing role of private companies like Relativity Space in NASA’s exploration efforts, especially for missions to Mars. The partnership could accelerate the development of reusable, cost-effective launch systems and demonstrate new commercial capabilities that could be vital for future crewed missions to the Red Planet. It also signals a shift toward more collaborative approaches in space exploration, blending government goals with private sector innovation.

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Background on Relativity Space and Mars Missions
Relativity Space, founded in 2015, has positioned itself as an innovator in rocket manufacturing through its use of 3D printing technology. Eric Schmidt’s appointment as CEO in 2025 followed the company’s milestone of launching the first 3D-printed rocket, Terran 1, which experienced a launch failure. The company’s larger Terran R rocket is expected to be key for future missions, including this upcoming Mars payload delivery.
NASA has been increasingly collaborating with private companies for Mars exploration, with previous partnerships involving SpaceX and others. The Aeolus mission aims to improve understanding of Martian atmospheric conditions, which is critical for planning future human landings and surface operations.
“This partnership marks a new chapter in how NASA leverages commercial innovation for interplanetary exploration.”
— an anonymous researcher

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Uncertainties Surrounding Mission Details and Timeline
While NASA has announced the selection of Relativity Space for the 2028 Mars mission, specific details about the spacecraft design, launch window, and mission timeline remain unclear. It is also not yet confirmed how the partnership will address potential technical challenges or delays.

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Next Steps in the Mission Development Process
Relativity Space will now proceed with mission planning, spacecraft development, and testing over the coming years. NASA and Relativity are expected to release more detailed timelines and technical specifications as the project advances, with the first test launches of the Terran R rocket likely to occur later this year.

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Key Questions
Why was Relativity Space chosen for this mission?
NASA selected Relativity Space based on its innovative use of 3D printing technology, cost-effective manufacturing, and recent progress with its Terran R rocket, which is expected to be capable of interplanetary missions.
What is the Aeolus payload designed to do?
The Aeolus payload will study Martian atmospheric conditions, including winds, temperatures, dust, and clouds, to improve future landing and surface operations for crewed missions.
Will this partnership affect NASA’s other Mars plans?
This collaboration complements NASA’s broader Mars exploration strategy by integrating private sector capabilities, potentially enabling more frequent and cost-effective missions.
What are the risks for this mission?
As with all space missions, technical failures, delays, and budget overruns are possible. The recent failure of Terran 1 highlights the challenges faced, but the larger Terran R is expected to be more reliable.
When will the actual launch happen?
The launch is scheduled for 2028, but specific dates and mission milestones will be confirmed as the project progresses over the next few years.
Source: The Verge