NASA and a host of other space agencies are still searching for signs of life on Mars.
Space scientists are also hoping to find signs of ancient life so that they can prove that the Red Planet was once habitable.
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A group of scientists claimed to find evidence that Earth on Mars could indicate that the planet was habitable for a long time.
The team published their study online in the journal Icarus.
They studied images taken by Nasa’s Mars Reconnaissance Orbiter.
There was a focus on a specific area called Margaritifer Terra.
Mars’ Margaritifer Terra is an ancient and heavy crater area on the Red Planet.
Researchers think they noticed clay-bearing sediments there.
Clay is said to indicate that there was once water on Mars.
The study suggested that water was there from 3.8 billion years ago to about 2.5 billion years ago.
Catherine Weitz, a senior scientist at the Planetary Science Institute in Arizona, said: “In addition, there are colorful light layered sediments that display relatively low bedding tip points and contain clay over 200 kilometers. [124 miles] in the distance is evidence that a lake was most likely present in the Ladon Basin and northern Ladon Valles.
“The low-energy lake environment and the presence of clay support an environment that would have been favorable to life at that time.”
Unfortunately, this is not a proof of life.
This is just evidence to support the idea that Mars may have been habitable.
Even if a planet had the right conditions for life, it would not necessarily have or use any life there.