"Several large boulders can be seen ... Meanwhile, the Mars monolith can also be explained without invoking alien ...

It could be a scene from a horror film, but it’s not. It’s Black Mountain (Kalkajaka), a foreboding sight that rises from ...

"Several large boulders can be seen ... "There are lots of rectangular boulders on Earth and Mars and other planets," Alfred McEwen, the principal investigator from the University of Arizona's ...