A photo showing a pyramid-like structure on Mars, taken by NASA's spacecraft several times, is grabbing attention on social media. It is raising questions about whether the Red Planet was ever home to an ancient civilisation. A pyramid-like structure first seen on Mars in 2001 has renewed debate on whether human-like creatures inhabited the planet billions of years ago. The image was captured by NASA’s Mars Global Surveyor (MGS) and found by researcher Keith Laney while h... [2679 chars]