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Posts by
Editors of EarthSky
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
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!
February 17, 2026
Jupiter’s moons: How to see and enjoy them
December 2026 and January 2027 are great months for seeing Jupiter's moons Io, Europa, Ganymede and Callisto with binoculars or a small telescope.
February 7, 2026
Amazing cloud streets video: See it here!
See a new video of cloud streets from off the coast of the southeastern U.S. and read more about the phenomenon here.
February 4, 2026
Full moon names of the month and by the season
Lists of common full moon names - both by month and by season - for North America. And a word about full moon names in the Southern Hemisphere.
February 1, 2026
Happy Groundhog Day! Will Phil see his shadow?
The predicted high for Punxsutawney, Pennsylvania, on February 2, Groundhog Day, is 24 degrees F (-4 C) and cloudy. Will Phil see his shadow?
February 1, 2026
The February birthstone is the purple amethyst
Are you a February baby? Here's some cool info about your February birthstone, the amethyst. Read the lore of this purple stone, a variety of quartz.
February 1, 2026
Watch for the February full moon – or Snow Moon – on February 1
The full Snow Moon will shine brightly all night on February 1-2, 2026. This February full moon will glow near the star Regulus in Leo the Lion.
January 31, 2026
