Most animals, including humans, carry an internal lunar clock, tuned to the 29.5-day rhythm of the Moon. It guides sleep, ...

The Geminid meteor shower, considered one of the best of the year, is about to hit its 2025 peak in mid-December. Here's what to know.

Let’s take a mental trip back to seventh-grade health class. When you got to the unit on menstruation, you probably learned that people with uteruses typically get their periods once a month or so—but ...

What is the Moon phase today, December 9? It's Waning Gibbous, approx. 75% lit. Learn the 8 phases and when the next Full ...

King Tides, formally known as Perigean-Spring Tides, are exceptionally high tides. These usually occur about three times a ...

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Amid tonight's waning crescent moon phase — a very thin sliver of light — you may catch site of the bright Leonid meteor shower that peaked this week and remains active until Nov. 30 or the Northern ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...

The next full moon will be the December 'cold moon' of 2025 — set to rise amid the longest nights of the year as a special, large, bright supermoon that will shine for days and give way to the ...

The Moon is not, in fact, a giant cosmic wheel of Gouda. In a landmark paper published in Nature, researchers from the French National Center of Scientific Research delivered a hard truth: the Moon is ...

This Vacheron Constantin moon phase watch reflects the brand’s astronomical history. Vacheron Constantin’s Patrimony Moon Phase Retrograde Date anniversary watch.