CRYSTAL RIVER, Fla. — A tornado touched down in the Crystal River area of Citrus County on Sunday, Spectrum Bay News 9's weather experts confirmed. It most likely started as a waterspout around 6 p.m.

These chemical oddities may explain why Earth seems to be deficient in certain elements — and could prove useful in catalysts ...

"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years." ...

X-ray diffraction methods lie at the foundation of materials science. Determination of the crystal structures of natural minerals and, later, of crystals grown in the laboratory led to our ...