And more than two million years ago, hominins were using crude stone tools in Tanzania’s Olduvai Gorge, one of the world’s most important prehistoric sites. But there were no known examples of ...

And more than two million years ago, hominins were using crude stone tools in Tanzania's Olduvai Gorge, one of the world's most important prehistoric sites. But there were no known examples of ...

And more than two million years ago, hominins were using crude stone tools in Tanzania's Olduvai Gorge, one of the world's most important prehistoric sites. But there were no known examples of anyone ...

Our ancestors were making tools out of bones 1.5 million years ago, winding back the clock for this important moment in human evolution by more than a million years, a study said Wednesday.

After a lengthy meeting with U.S. President Donald Trump's top trade officials on Thursday, Canadian representatives say they have a clearer understanding of the rationale behind Trump's insistence on ...