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Rosalind Franklin Rover

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Rosalind Franklin Rover

ESA-led ExoMars rover scheduled for late 2028 launch on a SpaceX Falcon Heavy. Will carry a 2-meter subsurface drill and the Mars Organic Molecule Analyzer (MOMA) instrument — including a NASA-provided mass spectrometer — building on the SAM/TMAH wet-chemistry heritage from curiosity-rover. Landing site: oxia-planum, a clay-rich terrain selected for subsurface life detection.

In April 2026, nasa approved the Rosalind Franklin Support and Augmentation (ROSA) project to enter implementation, providing the launch service, braking engines, radioisotope heater units, and MOMA electronics (src-nasa-rosalind-franklin-implementation-2026-04).

The mission is named after Rosalind Franklin, the X-ray crystallographer whose work was foundational to the discovery of DNA’s structure.

June 2026 — Oxia Planum clay deposit mapping

New research (Torres Auré et al., Icarus, June 2026) maps the landing site’s clay deposits at approximately 600 km across and >1 km in altitude — far larger than prior estimates. The clays formed ~4 billion years ago, making them older than those at Mawrth Vallis (a competing candidate). A paleosurface — a heavily cratered ancient boundary layer — separates two clay-bearing units, marking a shift in water chemistry interpreted as evidence for an intermittently wet early Martian climate (src-exomars-clay-landing-target-2026-06). The scale of the deposits is consistent with either a deep ancient ocean or extensive groundwater flooding.

Astrobiology relevance

The 2-meter drill targets organics shielded from cosmic-ray-induced destruction in shallow Martian regolith — a key motivation given the 2026 NASA Goddard finding that pure Martian ice preserves amino acids 10× better than ice-soil mixtures (src-mars-ancient-life-ice-survival-2026-02).

July 2026 — Heat shield integration

Following a successful vibration-test campaign, arianegroup’s Front Shield entered the integration clean room, where teams are installing Norcoat Liège HPK space-grade cork thermal protection. The shield must withstand Martian atmospheric-entry speeds near 21,000 km/h and temperatures up to 1,800°C. The release reiterates that esa’s ExoMars program is led by thales-alenia-space Italia, with the rover developed by Thales Alenia Italy and airbus-defence-and-space UK. Precedes the still-targeted late-2028 Falcon Heavy launch. (src-rosalind-franklin-heat-shield-2026-07)

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