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Posts by
Editors of EarthSky
Mercury is back, for its best evening apparition of 2024
Mercury is visible in the evening sky. Look in the west as the sky is darkening. The planet will reach its greatest elongation on March 24, 2024.
March 11, 2024
Crew-8 launches successfully, headed to ISS
The 4 space-goers in NASA's SpaceX Crew-8 mission to the International Space Station lifted off successfully Sunday night. They will dock with ISS on March 5.
March 4, 2024
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 one constellation.
March 3, 2024
March birthstone: March babies have 2
Happy birthday to all you March babies. Take your pick: your March birthstone can be the blue aquamarine or red-speckled bloodstone.
March 1, 2024
Binoculars for stargazing: Our top 6 tips here
Want to know how to use binoculars for stargazing? Follow our top 6 tips to get the most out of viewing the night sky with a little optical aid.
February 29, 2024
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 20, 2024
Castor 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 20, 2024
Lunar New Year 2024: The Year of the Dragon
The Lunar New Year falls on February 10, 2024 (in Asia). It coincides with the date of new moon and signals the start of the Year of the Dragon.
February 9, 2024
Groundhog Day is February 2. Phil says early spring!
It was a chilly 39 degrees F (3.8 C) this morning in Punxsutawney, PA, when Phil predicted an early spring. Happy Groundhog Day!
February 2, 2024
Cassiopeia and the Big Dipper in January skies
Watch the celestial clock and its two great big hour hands - Cassiopeia and the Big Dipper - as they swing around the North Star every night!
January 23, 2024
