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 ...

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 ...

Ancient DNA is finally putting hard numbers on a mystery that has trailed humanity for millennia: when our most familiar feline companions first stepped out of Africa and into homes, ships and cities ...