I pick up interesting little stones all the time when I walk on the beach. Shells and sea glass, too. In the spirit of discovery, I'd be willing to give it all to NASA scientists.

When Alison Jackson was a child, she used to help out on her family's farm by picking up rocks from the fields so that the farming equipment wouldn't get damaged. It seems fitting now that the 34 ...

Ziv Nitzan was doing what all curious toddlers do on a nature walk: picking up rocks. So her parents thought nothing of it when the 3-year-old gazed out onto an expanse along a footpath in central ...