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yesterday

NASA Taps Relativity Space To Fly Aeolus Atmospheric Suite To Mars In 2028

The deal links NASA instruments to an unflown Terran R rocket funded by undisclosed philanthropy, making the 2028 launch contingent on the rocket, spacecraft and backer meeting a tight schedule.

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In June 2026, Relativity Space — the rocket company Eric Schmidt took over in 2025, whose one rocket has never reached orbit — said it would privately build and fly a Mars orbiter in 2028, carrying NASA’s Aeolus atmospheric instruments and doubling as a communications relay, paid for by a philanthropic backer it has not named

Overview

  • NASA and Relativity announced on June 17 a public–private agreement in which NASA will build and operate the four‑instrument Aeolus atmospheric payload while Relativity will design, build, launch and operate the spacecraft to Mars in 2028.
  • Aeolus is a NASA Ames‑led suite of four instruments that will produce the first integrated, daily global maps of Martian winds, temperatures, dust and clouds to improve atmospheric models and inform future landings.
  • Under a six‑year reimbursable Space Act Agreement NASA will run the science instruments for at least one Martian year and deliver public data products while Relativity retains responsibility for the spacecraft and mission operations.
  • The mission depends on Relativity’s unflown Terran R rocket and on funding from an undisclosed philanthropic backer, and the company’s prior Terran 1 failed to reach orbit in 2023, so industry sources expect the Terran R first flight and the 2028 schedule could slip.
  • If it succeeds, the privately built orbiter would add a high‑bandwidth relay, large on‑board storage and server‑class compute at Mars, raising questions about relay scheduling, priority access for public assets and how commercial infrastructure will reshape deep‑space science.