Flat Earth – Why It Matters

Flat Earth – Why It Matters

Looking for Life on Mars | NOVA | PBS

Follow along as NASA launches the Mars 2020 Mission, perhaps the most ambitious hunt yet for signs of ancient life on Mars. The spacecraft will blaze into the Martian atmosphere at some 12,000 miles per hour and attempt to lower the Perseverance Rover in the rocky Jezero Crater, home to a dried-up river delta scientists […]