At first glance, it looks like your average prehistoric stone drawing. But if a team of scientists ... carefully studied the objects etched into the rock and concluded they couldn't be two suns ...

“With the drawing, there’s a new dimension,” Henshilwood told me. “It means you can put a crayon into a bag, walk over the landscape, and mark a rock or tree, without needing to make paint ...

Thousands of ochre rock drawings, including images of humans and animals morphing into one another, offer a striking glimpse at early life in the Amazon. When you purchase through links on our ...

What made that petroglyph, or rock drawing, so beautiful to Malville was its striking resemblance to a phenomenon he had grown quite familiar with in his work as a solar astronomer before he ...

Not far from the main trail to his cabin outside of Fort Smith, N.W.T., there is a drawing of what appears to be a person, etched in red onto a piece of rock. "The picture is perfectly clear ...