Changing climate conditions have been known to foster human evolution throughout history, especially in Africa, where our story first unfolded. However, new research has flipped the script on a common ...

Experiments show that lightning strikes can trigger the synthesis of basic organic molecules needed by living organisms.

You have probably seen the images of the surface of Mars, beamed back by NASA's rovers. What if there were a time machine capable of roaming Earth during its remote geological past, perhaps even going ...

New chemical analysis of quartz microliths from South Africa confirms that humans were skilled with poison long ago.