New research has uncovered a major mystery deep inside Mars, where differences between the planet’s northern and southern regions reveal an unexpected internal structure. The findings, published in ...

In a recent development, NASA has identified a colossal structure breaking through the atmosphere of Mars. This discovery has sparked a flurry of speculation about the structure’s origin and purpose.

Add Yahoo as a preferred source to see more of our stories on Google. The so-called Candor Tetrahedron. (NASA/JPL-Caltech/UArizona) It would be tempting to assume there's nothing much of note ...