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 ...

It's a lovely summer weekend morning. We relax in our living room with the sunlight coming gently through the windows. We glance outside and can see the green leaves and watch birds in the yard. We ...

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 ...

The Sun is hot due to nuclear fusion in its core. Earth is in the "Goldilocks zone," safe from extreme heat. The Sun will shine for about 5 billion more years. Did our AI summary help? Have you ever ...