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Editors of EarthSky

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.

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!

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.

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.

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 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.

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.

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.

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!

Happy Lunar New Year 2026! The Year of the Horse

Lunar New Year 2026 kicks off February 17 with the new moon, marking the start of the Year of the Horse — fireworks, dragons and global celebrations await!

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