You have probably seen the images of the surface of Mars, beamed back by NASA's rovers. What if there were a time machine ...
In a quiet riverbed carved into the Martian surface, a patch of layered stone may hold a clue to one of science’s most ...
The Nature Network on MSN

What causes waterfalls to form?

Waterfalls form through various geological processes, but they all involve water flowing over a sudden drop in elevation.
On a geological tour of this ancient part of the Kingdom of Saudi Arabia, Nicola Chilton learns about the wondrous landscape ...
The Ennedi rock art of Chad should not be read as decoration alone, but as a visual narrative of environmental change.
Learn how fossils form through sedimentation and mineralization. Discover types like moulds, casts, and trace fossils in our ...