Skip to main content
Scottish Highlands: Earthly Training Ground for Mars Rover Mission

Scottish Highlands: Earthly Training Ground for Mars Rover Mission

The rugged terrain of the Scottish Highlands is playing an unlikely but crucial role in the search for life on Mars. Scientists are using the ancient rocks of Lower Diabaig, near Loch Torridon, as a testing ground for technology destined for the European Space Agency's (ESA) ExoMars rover. The rover, named after scientist Rosalind Franklin, will be launched in 2028 and aims to uncover evidence of past or present life on the Red Planet.

Getty Images A row of white-walled houses below a rocky hill on the shores of the loch. It is a sunny day.
The landscape of Lower Diabaig, Scotland, mimics Martian geology.

A team from the University of St Andrews has been meticulously testing cameras and other equipment designed to detect ancient biology within the rocks. Dr. Claire Cousins, a key member of the research team, emphasized the importance of rigorous testing on Earth, stating that the unique geology of Lower Diabaig provides an "ideal" environment resembling the Martian landscape.

"The rocks haven't metamorphosed right, they haven't been cooked and squeezed and crushed under mountain belts," Dr. Cousins explained to BBC Scotland's Landward programme. "They have been beautifully preserved - a slice of time." These ancient rocks, including billion-year-old mudstone, are particularly adept at preserving evidence of past life, making them invaluable for testing the rover's capabilities.

Getty Images The robot has six wheels and is a low, compact machine with solar panels on its top section. It has a long attachment with cameras on it. The rover is in a test area mocked up to look like Mars.
The ExoMars rover undergoing testing.

The area's significance isn't limited to current testing. Seven years prior, NASA's Curiosity rover explored a region on Mars named Torridon, after the Scottish geological formation. This highlights the geological similarities between the Highlands and the Red Planet. Several other locations on Mars also bear Scottish names, including Siccar Point, Muck, Wick, Sandwick, and Holyrood.

Glenelg, another Scottish village, even held a celebration in 2012 when a location on Mars was named after it. This reflects the growing connection between the search for extraterrestrial life and the unique landscapes of Scotland.

The ExoMars mission aims to answer the fundamental question of whether life has ever existed on Mars. By using the Highlands as a terrestrial analog, scientists are pushing the boundaries of our understanding and preparing for the groundbreaking discoveries that await on the Martian surface.

Could the secrets of life on Mars be unlocked thanks to the rocks of the Scottish Highlands? Share your thoughts and predictions in the comments below!