Life on Mars impossible to detect with current scientific instruments – experts

So far, state-of-the-art instruments onboard Nasa’s Curiosity and Perseverance rovers have only identified low levels of simple organic molecules

The instruments currently being used on Mars may lack the sensitivity to identify microbial life (Nasa/AP)

Scientific instruments currently deployed on Mars may not be sensitive enough to search for evidence of life on the planet, scientists have said.

Since the Viking missions in the 1970s, many probes have been sent to the red planet to search for microbial life.