NASA has tapped Relativity Space, the rocket maker now controlled by former Google executive chair Eric Schmidt, to deliver a pioneering science mission to Mars, thrusting the relatively unproven startup into direct competition with Elon Musk’s SpaceX for Martian bragging rights.

Under the newly awarded contract, Relativity will design and build a spacecraft, integrate a suite of NASA instruments, launch the vehicle, and ferry it all the way to Mars. The mission, called Aeolus, is modeled on NASA’s growing portfolio of public‑private partnerships, in which the agency supplies the science while commercial partners provide lower‑cost transportation and hardware.

Aeolus will carry four instruments to study the Martian atmosphere from orbit, capturing daily, global measurements of dust, winds, and temperature. NASA expects this continuous view to transform understanding of Martian weather and to improve safety for future landers and, eventually, human crews attempting to reach the surface.

NASA officials say pairing government‑developed instruments with commercial spacecraft and launch services allows the agency to fly more missions without shouldering the full development bill. In return, companies like Relativity gain flight heritage, technical experience, and a marquee customer that can help attract additional business.

The deal is also a high‑stakes bet. Relativity has yet to reach orbit successfully. Its first rocket, Terran 1, failed mid‑flight, and the company pivoted to a larger, fully reusable vehicle called Terran R. Financial strain followed, opening the door for Schmidt to take a controlling stake and step in as chief executive.

Relativity’s core pitch is that extensive 3D printing can slash the cost and complexity of building rockets. If Terran R can be completed and proven in time for the Aeolus launch window, Relativity could leapfrog more established players and claim the first privately operated mission to Mars.

The rivalry with SpaceX adds an extra layer of drama. Musk has spent years outlining plans to colonize Mars, but SpaceX has not yet flown a dedicated private mission to the planet. A successful Aeolus flight would hand Schmidt a symbolic victory over a frequent critic and debating partner on AI and technology policy.

For NASA, the mission is a calculated risk: backing a newcomer in hopes that commercial innovation can accelerate the path to Mars, even if the market for deep‑space services remains uncertain.