Thousands of years ago, survival was a shared agreement between humans and animals. We offered shelter, food, and protection. In return, animals offered strength, companionship, labor, or food.

What did early humans like to eat? The answer, according to a team of archaeologists in Argentina, is extinct megafauna, such as giant sloths and giant armadillos. In a study published in the journal ...

The main sources of ignition before humans appeared were lightning strikes. Our evidence of fire in the fossil record (in deep time, as we often refer to the long geological stretch of time before ...