ancient ocean

Data from China's Zhurong rover has revealed what appears to be an ancient coastline running across Mars' northern hemisphere.

An ancient ocean as vast and life-friendly as Earth's once existed elsewhere in the solar system.

Clues to the existence of coastlines on Mars 3.5 billion years ago have been revealed through newly discovered sedimentary rock layers and stratigraphy.

Combined data from multiple Mars probes has revealed dense, large-scale structures beneath an ancient ocean floor.

Scientists may have found where Earth's first super ocean is hiding.

Two scientists, Evan Smith, American, Institute of American Ngoc Hoc (GIA) and Fabrizio Nestola, Italian, University of Padua, Italy recently discovered the mechanism of forming

The US Aeronautics Agency (NASA) found new evidence of the ancient ocean on Mars, about the size of the Arctic Ocean.

An increase in acidity in seawater could turn modern oceans back to the state of 110 million years ago.