A treasure trove of Cambrian fossils has been discovered in southern China, providing a window on marine life shortly after ...

With only fragments of evidence and massive unexplored habitat, the saola may still exist despite a decade of silence.

I n September 1985, two brothers and a friend looking for sea urchins in southern Corsica, France, discovered a massive hoard ...

The Treasury's decision to feature Trump's face on currency broke a longstanding tradition set by George Washington.

Unfortunately, many collectible coins are worth little more than the printed value. Here are some examples of collectible coins that are, ultimately, worthless.

Rare-earth metals, which are needed for electric vehicles and other advanced technologies, have become a top priority for the ...

The capital infusion will help USA Rare Earth advance its plan for a magnet manufacturing plant and a mine at a rare earth ...

USA Rare Earth's CEO provided rare insight in an interview with CNBC's Brian Sullivan into how the federal government plans ...

This coin can fetch between $2.5 million and $7 million in the open market. It is regarded as the rarest gold coin of the 20th century. It was produced in Denver, Colo., hence the D, and also named ...