While Earth was famously hit by a meteor that killed off the dinosaurs, many others have also hit our planet, many of them ...

For decades, couples were told to value a certain kind of rarity. The jewelry designer Kindred Lubeck, with the help of her ...

Using a diamond as a quantum simulator, scientists created a rondeau time crystal, which exhibited both long-range temporal ...

GOUVERNEUR, N.Y. (AP) — Graphite mines in the United States largely closed down seven decades ago. Mining the ubiquitous ...

Physicists have taken a gemstone better known for engagement rings and turned it into a laboratory for one of the strangest ideas in modern physics, a phase of matter that repeats in time instead of ...

A gouache drawing on tracing paper depicting a large white gold or platinum bracelet formed of an openwork ribbon of baguette-cut diamonds punctuated by bars of brilliant-cut diamonds, and centered on ...

A gouache drawing on tracing paper featuring a yellow gold lapel clip with a ribbon bow motif, entirely enhanced with diamonds and centered with a line of calibrated sapphires, circa 1950-60 Gouache ...