When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This story was updated at 1:56 p.m. ET. A glittering crystal shower of green, emerald-like gems ...

The annual gem show is back in full swing, but this year there is a new and permanent installation just down from Fourth Avenue. The Crystal Cave is a new gem and mineral shop here in Tucson that is ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Crystals of proteins that could be useful in medical research can be grown bigger and better in ...

Researchers in Vienna have discovered something remarkable: crystals that don’t form in space, like diamonds or salt, but in time itself. Instead of atoms arranging neatly into repeating patterns, ...