How do crystals form? – Alyssa Marie, age 5, New Mexico Scientifically speaking, the term “crystal” refers to any solid that ...

One major question is how the crystals formed ... “One idea would be something like hot springs could form this sulfur—but we have seen no evidence for anything to suggest hot springs ...

Scientists have spotted microplastics, tiny pieces of plastic smaller than 5 millimeters, in some of the most pristine ...

FARGO — Frost and snow are made of ice but form as intricate crystals, whereas ice that forms on a lake or a puddle is more of a hard blob of water. Impurities aside, water is made of water and ...