A fragment of elephant bone used to sharpen stone axes nearly half a million years ago has been identified as the oldest ...

A sharp knife is a safe knife. But knives also dull incrementally every time you use them. So, if you want to use a knife safely, you need know how to sharpen it. Here’s a look at all the major tools ...

The "very rare" find provides an extraordinary glimpse into the ingenuity of early human relatives who lived around half a ...