1. If there's life on Mars today, scientists think it's likely underground. And now researchers in China say they've found the 1st caves on Mars potentially created by water. These are called karst caves. The caves are 8 pits in the martian Hebrus Valles. Although the water is long gone now, it would have increased the chances of habitability in these caves. Plus, the caves offer protection for any organisms – likely microscopic – from dust storms, extreme temperature changes and radiation from the sun. Thoughts? Do you think it is possible
