Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Up a rocky cliff ...

45,500 years is a long, long time. It is nearly 23 times as long as the distance between the point at which you are reading this article and the birth of Jesus Christ. It is roughly 9 times as long as ...

The finding, which was published in Nature, may provide insight into the origins of humanity’s use of symbols, which laid the foundation for language, mathematics and civilization. “We knew a lot of ...

Cave Creek artist Dick Mueller will unveil what he believes to be the world’s largest colored pencil drawing – 4 feet by 8 feet – June 13 at Nickel Creek Gallery in Cave Creek. Mueller has applied to ...

(CNN) — Up a rocky cliff face, through a narrow opening, and at the end of a snaking passage lies a painting that archaeologists say is the world’s oldest known example of storytelling in art history.