Sunspots and solar flares are making headlines lately, but what are they exactly and how do they affect us here...

A daytime comet is the rarest naked-eye astronomical sight on Earth. Only a handful have appeared per century, each bright...

On the evening of Monday, March 27, 2023, observers across the U.S. and Canada looked west about 20 minutes after...

In January and February 2023, comet C/2022 E3 (ZTF) became famous as 'the green comet,' visible to the naked eye...

In June 2022, sky watchers across the world set early alarms for one of the best naked-eye sights of the...

Wondering about the dates of this year's solar and lunar eclipses? We have them, plus folklore, superstitions, and more!

If the days start getting shorter after the solstice, why does the latest sunset happen almost a week later? We explain.

Native Americans had their own names and legends for the stars to teach lessons and explain the world around them. Read about them here.

On December 21, 2020, the planets Jupiter and Saturn appeared closer together in the sky than at any time since...

If the winter solstice marks the shortest day of the year, why does the earliest sunset occur two weeks prior? We explain.