Early humans were regularly using animal bones to make cutting tools 1.5 million years ago.A newly discovered cache of 27 ...

Human ancestors making 'bone tech' 1.5 million years ago, say scientists Our ancestors were making tools out of bones 1.5 million years ago, winding back the clock for this important moment in human ...

This week, follow the journeys of two lunar landers, meet “woolly mice,” see the oldest known bone tools, and more.