Time crystals, a collection of particles that "tick"—or move back and forth in repeating cycles—were first theorized and then ...

Is it true that two snowflakes can't be identical and if not, what are the odds? The specific number of snowflake types depends on who you ask. Photographer Wilson Alwyn Bentley took pictures of ...

Every crystal's shape is a mirror of the internal arrangement of its molecules, but the molecules in photoswitchable crystals ...

Crystals were popularized in the West in the 1970s. Today, crystals are at the forefront of beauty, health and wellness trends. But what is so special about these rocks? Marissa Quintana, the store ...

When Tasha Kitty's son Marcel Morris-Howell was turning 18, she placed a pi stone above his door. It's a circular stone with a hole in the middle. It has spiritual significance in different cultures ...

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 ...