Scientists found huge beaches on Mars likely from a long gone ocean

Scientists have used orbiters and rovers to find dried streams, lakes, and gullies on Mars that hint at its watery past, but their cavalry of robots has struggled to prove the Red Planet ever had an actual ocean. A new study that leverages data from China's now-defunct rover provides some of the strongest evidence so far of a long gone vast body of water — one that wasn't just a temporary lake formed of melted ice, but a much larger sea. The findings lay bare what seems to be an ancie