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Meteor shower guide 2024: Up next the April Lyrids
Meteor showers are back this month! The April Lyrids will be best before dawn on April 22. Your 2024 meteor shower guide here.
April 1, 2024
Why Easter is today
In 2024, Easter falls on March 31. It falls on the first Sunday after the first full moon after the March equinox. More about the date of Easter, here.
March 31, 2024
The moon: 5 myths about our natural satellite
There are plenty of myths that surround the moon. Here are 5 of the most popular myths. How many of these myths have you been led to believe?
March 31, 2024
See the zodiacal light now, before it’s gone
The zodiacal light is an eerie light extending up from the horizon. During the months around the March equinox is a good time to see it. How to see it, here.
March 28, 2024
Penumbral lunar eclipse to pass quietly March 24-25, 2024
The 1st of this year's 4 eclipses will flit by like a ghost in the night between March 24 and 25. It's a penumbral lunar eclipse, visible in North America. Charts and more from Guy Ottewell here.
March 24, 2024
Penumbral lunar eclipse March 24-25, 2024
A penumbral lunar eclipse happens overnight on March 24-25, 2024, bringing a subtle shading to the moon. See where it's visible and more, here.
March 24, 2024
Dark matter, a mysterious substance … What is it?
What is dark matter? It doesn't emit light. It hasn't been directly observed. Yet it appears to exist and to exert a major influence on galaxies.
March 22, 2024
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.
March 22, 2024
What is a galaxy? All you need to know about galaxies
What is a galaxy? We live in a galaxy called the Milky Way. But there is so much more to know about these grand and glorious star islands in space!
March 21, 2024
1st eclipse season of 2024 starts March 24-25
There are many cycles in the heavens. We're coming up to a noticeable cycle, the 1st eclipse season this year. It starts with a penumbral lunar eclipse.
March 21, 2024
