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Editors of EarthSky

Color weirdness before April’s total solar eclipse

We're counting down to the April 8, 2024, total solar eclipse, which will cross North America. Colors look eerie just before the moon covers the sun. Why?

Betelgeuse is dimming again. When will it explode?

Will Betelgeuse have another period of noticeable dimming in 2024? Betelgeuse will explode as a supernova someday. When it does, it'll be visible in daylight.

Uranus discovered by accident on this date in 1781

William Herschel spotted Uranus in 1781 during a routine survey of the stars. It was the 1st new planet found since ancient times.

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.

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.

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 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.

Meteor shower guide 2024: Up next the April Lyrids

We're in a meteor shower drought until the April Lyrids. They'll be best overnight on April 21-22. Your 2024 meteor shower guide here.

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.

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.

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