Mars could have an amount of liquid water equivalent to that of an ocean buried in its crust
NASA's InSight lander ended its mission in 2022, but the data it collected revealed evidence of liquid water deep below the landing site. Credit: NASA/JPL-Caltech Deep beneath the surface of Mars lies a vast reservoir of liquid water, according to seismometer data from NASA's retired InSight lander. The findings, published Aug. 12 in Proceedings of