Perseverance Rover Finds Evidence of Multiple Habitable Water Periods in Mars' Jezero Crater

Imagine Mars as a planet that used to have water, like Earth.

A robot named Perseverance is exploring a place called Jezero Crater, which used to be a lake.

By looking at the tiny pieces (minerals) in the rocks with a special tool, scientists found signs of water from different times in the past.

At first, the water was like a sour soda, very acidic and not good for life.

Then, it became more like regular water, a bit sour but okay.

Finally, the water became a bit like soapy water, which was the best for any tiny life that might have lived there.

This tells us Mars had many chances for life to start because the water changed over a long time.