Could the Star of Bethlehem have been caused by a “great conjunction” of the bright planets Venus and Jupiter? On June 17, 2 B.C., the planets had come so close they would have almost appeared as one ...

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This is essentially crystal formation. Snowflakes form when water droplets attach to particles in the sky, like dust or pollen. This creates a six-sided shape. The particles fall through different ...

Have you ever wondered why our universe is made up of something rather than nothing? It can hurt your brain if you think about it too much because if there were nothing you would have no brain—no you ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American When predicting something that science will ...