Is there life on Mars? New discoveries point to YES

Is there life on Mars? NASA and ESA missions have made fascinating discoveries at the Red Planet, confirming the presence of gases in the Martian atmosphere that may have come from biological sources. A more fascinating question may be: did life *ever* evolve on Mars? Or even: did life evolve on Mars before it did on Earth? The Wikipedia article about Methane on Mars has a good summary plus various sources I have been following over the years: Another source I highly recommend is The Case For Mars by Dr. Robert Zubrin: 📕