Unlike alluvial gold, which is found as very small flakes on riverbanks, gold-bearing rocks have to be dug out of the ground. We're after pure gold, but rock that contains gold also includes lots ...

"My 26th sample, known as 'Silver Mountain,' has textures unlike anything we've seen before," the rover's official X account posted in February. Not far away, the rover also found a rock rich in ...

prompting scientists to call it a “scientific gold mine.” In the last four months alone, the rover has collected samples from five distinct rocks, examined seven others, and used its laser ...