From the Editor's Desk

A Nasa rover has reached a promising place to search for fossilised life on Mars

While we go about our daily lives on Earth, a nuclear-powered robot the size of a small car is trundling around Mars looking for fossils. Unlike its predecessor Curiosity, Nasa’s Perseverance rover is explicitly intended to “search for potential evidence of past life”, according to the official mission objectives.

Jezero Crater was chosen as the landing site largely because it contains the remnants of ancient muds and other sediments deposited where a river discharged into a lake more than 3 billion years ago. We don’t know if there was life in that lake, but if there was, Perseverance might find evidence of it.

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