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Posts by
Editors of EarthSky
Best stargazing of 2026: Top events not to miss
Here's the best stargazing of 2026! Read about the top celestial events not to miss in the coming year, and mark them on your calendar.
January 1, 2026
Earthshine is a lovely glow on the unlit portion of the moon
Earthshine - the dim glow on the darkened portion of a crescent moon - is light from Earth cast on the night side of the moon. Watch for it around the new moon.
January 1, 2026
Radiant point of meteor showers: All you need to know
Meteors enter Earth's atmosphere on parallel paths. So, you'll see meteors appear to come from a single point in the sky: the radiant point!
January 1, 2026
Dwarf planet Ceres discovered 225 years ago today
Dwarf planet Ceres was discovered by Giuseppe Piazzi on January 1, 1801. That was 225 years ago. It was 1st considered an asteroid.
January 1, 2026
Why is there no eclipse every full and new moon?
If the moon orbited Earth on the same plane that Earth circles the sun, we'd have an eclipse at every full and new moon. Here's why we don't.
January 1, 2026
New Year’s Star Sirius, the moon and Jupiter ring in 2026
Entertain your friends on New Year's Eve by showing them the New Year's Star, the soon-to-be full supermoon and Jupiter. Sirius is highest at midnight.
December 31, 2025
Why does the New Year begin on January 1?
Why does the New Year begin on January 1? The tradition stems from the festival of Janus, the Roman god of past and future.
December 31, 2025
Earth at perihelion – closest to sun – on January 3
Every year in early January, Earth reaches its closest point to the sun in an event called perihelion. In 2026, it's on January 3.
December 27, 2025
Latest sunrises late December and early January
Did you know the latest sunrises don’t occur on the shortest day, and the latest sunsets don’t fall on the longest day of the year?
December 23, 2025
Solstices and equinoxes seen from space
See how sunlight falls on Earth's surface during the solstices and equinoxes, and get a better understanding of why Earth's tilt causes the seasons.
December 21, 2025
