Scientists discover liquid water on Mars for the first time

Liquid water has been discovered beneath the southern ice cap of Mars (Getty Images)

A 12-mile lake of liquid water has been discovered on Mars for the first time as scientists hunt for alien life on the planet.

The huge lake lies beneath the red planet‘s southern ice cap. It is the first time a large stable body of liquid water has been discovered on Mars.

The discovery, which has major implications for the chances of life surviving in Martian conditions, was made by an orbiting European probe using ground-penetrating radar.

Prof Roberto Orosei from the Italian National Institute for Astrophysics, who led the study, said: “This is the place on Mars where you have something that most resembles a habitat, a place where life could subsist.

“This kind of environment is not exactly your ideal vacation, or a place where fish would swim,” Orosei added.

“But there are terrestrial organisms that can survive and thrive, in fact, in similar environments. There are microorganisms on Earth that are capable of surviving even in ice.”

Narrow streaks on the slopes of Garni Crater are inferred to be formed by seasonal flow of water on surface of present-day Mars. (NASA)
The “Murray Ridge” portion of the western rim of Endeavour Crater on Mars (NASA)

In 2015, NASA reported that it had found the strongest evidence so far that there was water on Mars, but were not able to confirm its existence definitively.

NASA’s Mars Reconnaissance Orbiter detected mysterious streaks on the planet’s surface that appeared to ebb and flow over time, and scientists believed the movements of the flows could be attributed to the presence of water. 

John Grunsfeld, astronaut and associate administrator of NASA’s Science Mission Directorate in Washington, said at the time: “Our quest on Mars has been to ‘follow the water,’ in our search for life in the universe, and now we have convincing science that validates what we’ve long suspected.

“This is a significant development, as it appears to confirm that water – albeit briny – is flowing today on the surface of Mars.”

NASA’s Mars probe began its mission in 2011 with the objective of discovering whether or not microbial life could ever have been supported there.

A self-portrait of NASA’s Curiosity rover taken on Sol 2082 (June 15, 2018). (NASA)

In June this year NASA’s curiosity rover found new evidence to suggest the planet could have supported ancient life.


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Organic molecules were found in three billion-year-old sedentary rocks which, although not proving that life existed on Mars, are a good sign for future exploration missions.

“With these new findings, Mars is telling us to stay the course and keep searching for evidence of life,” said Thomas Zurbuchen, associate administrator for the Science Mission Directorate at NASA Headquarters, in Washington.

“I’m confident that our ongoing and planned missions will unlock even more breathtaking discoveries on the Red Planet.”