Going by Mars' calendar, the third quarter of Mars Year 38 (MY38) ended on Friday, 24 April 2026. Sadly, the Red Planet's nascent economy remained stalled with no new rock samples either drilled or stored for future export by the Mars Perseverance rover during the 146 (Earth) days of the quarter. Mars GDP' for the quarter is therefore $0.
The following video provides a very brief introduction to the work the Mars Perseverance rover has done that counts as Mars' only economic activity at its current phase of exploration.
At present, there is no feasible path for the export of the collected samples either stored on the rover or stored at a depot location on the Martian surface. Even the least costly proposals for a sample return mission were determined to be too expensive to execute with available technologies, resulting in the funding for continued development for it being cancelled in January 2026.
The following chart shows the economic activity generated by the Mars Perseverance rover since it has been on Mars, by Martian year and quarter:
The lack of a viable means to return the Perseverance samples doesn't mean those samples won't ever be collected and exported to Earth, but it underscores the failure in the original planning that left the sample return portion of the mission too poorly defined. The first missions that do return samples from Mars will almost certainly return the samples they collect using return launch capabilities they specifically transport with them.
For example, Japan's Space Agency plans to launch a probe to Mars' moon Phobos to collect and return a sample, building on the experience the gained from retrieving samples from asteroids. Meanwhile, fabrication has begun on China's probe that will return samples from the surface of Mars.
In other news, we may need to revisit our estimates of the value of the Mars' rock samples currently stocked in the Perseverance inventory and the "Three Forks" sample depot. An experiment conducted on the older Mars Curiosity rover on its drilled rock samples provided evidence of some very interesting organic chemistry:
NASA's Curiosity Mars rover has uncovered a diverse mix of organic molecules on Mars, including chemicals widely considered building blocks for the origin of life on Earth.
The findings, which come from a chemical experiment performed for the first time on another world, reveal that the Martian surface can preserve the kinds of molecules that could serve as signs of ancient life. However, this experiment cannot distinguish between organic compounds from potential past life on Mars and those formed through geologic processes or delivered by meteorites.
Definitively identifying signs of past life would require returning rock samples to Earth.
Here's the paper where the findings were reported on 21 April 2026.
Our Mars GDP estimates are based on the estimated value of the rock samples collected for export by the Mars Perseverance rover, which are in turn based on the value of Martian meteorites that have been found on Earth that have not had similar evidence of organic compounds. Samples that do have these compounds will be substantially more valuable. Should any of the Perseverance samples have such a chemical signature, we will likely need to revise our GDP estimates upward to capture their greater value.
What that value might be has yet to be determined.
Labels: gdp, ideas, technology
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