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Posts by
Editors of EarthSky
What are the Ides of March, and why should you beware?
What are the Ides of March? That's March 15. In Shakespeare's play, Julius Caesar was warned to "Beware the Ides of March" before his assassination.
March 15, 2026
What will Artemis 2 astronauts eat on their moon trip?
Get a peek at the items that will be on the menu for Artemis 2 astronauts as they make their journey to the moon in 2026.
March 12, 2026
Use the Big Dipper to find Polaris, the North Star
Do you know how to find the North Star? The 2 outer stars in the bowl of the Big Dipper point to Polaris, the North Star. It's quick and easy!
March 8, 2026
Zodiacal light on spring evenings
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 6, 2026
Asteroid 2024 YR4 won’t hit the moon after all
NASA said on March 5, 2026, that asteroid 2024 YR4 will not strike the moon in 2032. New observations have now ruled out previous probabilities.
March 5, 2026
What’s a constellation? What’s an asterism?
Constellations and asterisms are patterns of stars. Some asterisms consist of stars from different constellations, and some are part of 1 constellation.
March 5, 2026
March birthstone: Beautiful cool blue or blood red?
Happy birthday to all you March babies! Take your pick: your March birthstone can be the blue aquamarine or the red-speckled bloodstone.
March 1, 2026
Castor – the twin star – is 6 stars in one
The bright blue-white star Castor, in the constellation Gemini, appears to our eyes as a single star. But it’s really a family of 6 stars.
February 26, 2026
Meet Pollux: The brighter twin star of Gemini
Pollux, the brightest star in the constellation Gemini, blazes in a golden light next to its bluish-white heavenly twin, Castor.
February 26, 2026
Look for the colors of the stars in the night sky
Winter is the perfect time for noticing the colors of the stars. Start with Capella, then move on to Taurus and Orion. Check out some colorful stars tonight!
February 19, 2026
