A St Andrews University team says Torridon's ancient geology is similar to that on the red planet.
Aberystwyth University's Enfys sensor will be on Europe's rover mission when it launches in 2028.
A big financial rescue package will now see Europe's Red Planet robot get a mission after all.
Europe's research ministers will be asked next month for the funds to put the UK-built robot back on track.
British engineers want to reversion their Mars robotic technology for work on the lunar surface.
Cancelled as a mission to Mars, a British robotic concept must now adopt lunar ambitions instead.
Prof John Parnell trains scientists to spot signs of life on Mars from his kitchen in Millport.
European Space Agency delegates suspend the project to send a UK-built robot to Mars this year.
The UK-built Rosalind Franklin vehicle is caught up in the diplomatic crisis over Ukraine.