From table salt to snowflakes, and from gemstones to diamonds—we encounter crystals everywhere in daily life, usually cubic ...

Tiny, invisible gases long thought to be irrelevant in cloud formation may actually play a major role in determining whether clouds form—and possibly whether it rains.

A recent discovery has led some experts to believe they’ve found the fossil of Noah’s Ark. Researchers have found that a boat-shaped mound — long believed by the faithful to be Noah’s Ark — was most ...