Lucky colors: the phrase sounds lighthearted, but the idea is ancient and profound. Every year-end, the same scene repeats ...

At this time of year, we tend to think of trees with colorful leaves as native to colder climates than ours. But then Jenny ...

Meteor showers, eclipses, a planetary parade and 13 full moons will be visible in the night sky in 2026. Here’s when to see them.

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

It’s the greatest cosmic murder mystery of the year: How did a black hole destroy a star—and what kind of black hole is the culprit? Normally, so-called “gamma ray bursts,” sudden flashes of extremely ...

For people around the world, the Times Square Ball Drop on New Year’s Eve is a symbolic gesture to acknowledge the passage of ...