In the late nineteenth century, astronomers believed they had discovered canals on Mars. These obviously artificial structures had to be the work of a civilization on the Red Planet. The ...

A recently resurfaced image taken byNASA’s Mars Global Surveyor is reigniting public fascination with the Red Planet. The photo, which shows what appears to be a square-like formation on the Martian ...

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 ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...