Seeing the north coast of Peru for the first time, you would be hard-pressed to believe it's one of the driest deserts in the world. Parts of the region receive less than an inch of rain in an entire ...

The petroglyphs were discovered in prominently visible locations on cliff sides and boulder facades.(all photos via Nature Communications per CC BY 4.0) A trove of life-sized animal rock engravings ...

(CNN) — Picture the Sahara, and an inhospitable landscape of endless sand dunes and barren rock comes to mind. That’s largely the case today, but 7,000 years ago the vast desert was an altogether ...

A new study reconstructing the Arabian Peninsula’s ancient past adds clues to how early humans left the African continent. Dromedary camels walk through sand dunes in the Arabian Desert near Margham, ...

Seeing the north coast of Peru for the first time, you would be hard-pressed to believe it’s one of the driest deserts in the world. Parts of the region receive less than an inch of rain in an entire ...

Add Yahoo as a preferred source to see more of our stories on Google. A pre-Hispanic canal funnels water from mountains to farm fields. Ari Caramanica Seeing the north coast of Peru for the first time ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Ari Caramanica, Vanderbilt University (THE CONVERSATION) Seeing the north coast of ...