NASA's Perseverance Rover Discovers Evidence of Ancient Lake on Mars A groundbreaking discovery by NASA's Perseverance rover has shed new light on the Red Planet's past. According to a recent report, the rover has uncovered evidence of an ancient lake on Mars, which could have potentially supported life billions of years ago. The findings, which are set to be published in a forthcoming scientific paper, suggest that the lake may have existed around 3.5 billion years ago, during a period when Mars was still relatively warm and wet. The discovery has significant implications for the search for extraterrestrial life and could help scientists better understand the planet's history and evolution.