scientist discovered the oldest and largest reservoirs of water

Scientists have discovered several ancient and large reservoirs of water on Mars. In 2018, NASA announced the discovery of a large underground lake of liquid water beneath the Martian south pole. The discovery was made using radar data collected by the Mars Reconnaissance Orbiter and was considered a major breakthrough in the search for water on Mars. In 2020, scientists announced that they had identified the largest known body of liquid water on Mars, a 20-kilometer-wide underground lake, beneath the southern polar ice cap. The discovery, made using radar data from the European Space Agency's Mars Express spacecraft, suggests that Mars may have more water than previously thought. Another discovery, made in 2020, was of a vast underground lake of liquid water, about 12 miles wide and 20 feet deep, buried beneath the ice on Mars' southern pole. This was discovered by scientists using data from the Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) instrument on the European Space Agency's Mars Express orbiter. These discoveries of large reservoirs of water on Mars have increased the possibility of finding microbial life on Mars and also open up new possibilities for future manned missions to Mars. These findings also provide a new perspective on the potential habitability of Mars in the past and present and the possibility of subsurface life.