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Sun news May 1: Almost X flare! More to come?
C. Alex Young
May 1, 2024
Astronomy Essentials
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Visible planets and night sky guide for May
Marcy Curran
May 1, 2024
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Sun news May 1: Almost X flare! More to come?
Sun news for May 1, 2024. Almost X flare! AR3654 produced an M9.5 flare - just shy of an X flare - living up to its potential.
C. Alex Young
Raúl Cortés
Armando Caussade
May 1, 2024
Visible planets and night sky guide for May
May 1, 2024
Meteor shower guide 2024: Up next the Eta Aquariids
May 1, 2024
Arcturus, the brightest star of the northern sky
May 2, 2024
Retrograde motion can be real or illusory
May 2, 2024
Mercury farthest from the sunrise on May 9
May 2, 2024
Comet Halley, parent of 2 meteor showers
May 3, 2024
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Astronomy Essentials
View All
Visible planets and night sky guide for May
Marcy Curran
May 1, 2024
Happy May Day! Today is an astronomy holiday
Deborah Byrd
May 1, 2024
2024 Eta Aquariid meteor shower: All you need to know
Editors of EarthSky
May 1, 2024
Meteor shower guide 2024: Up next the Eta Aquariids
Editors of EarthSky
May 1, 2024
Brightest Stars
View All
Sun news May 1: Almost X flare! More to come?
C. Alex Young
May 1, 2024
Cor Caroli, named for the heart of a king
Bruce McClure
April 24, 2024
Beta Centauri is one of the Southern Pointer Stars
Larry Sessions
April 4, 2024
Betelgeuse is dimming again. When will it explode?
Editors of EarthSky
March 17, 2024
Constellations
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Meet the constellation Leo Minor the Little Lion
Kelly Kizer Whitt
April 30, 2024
Meet the Chamaeleon, a southern constellation
Kelly Kizer Whitt
April 25, 2024
Meet Sextans, the constellation of the sextant
Kelly Kizer Whitt
April 16, 2024
Meet Cancer the Crab and its Beehive cluster
Bruce McClure
March 10, 2024
Clusters Nebulae Galaxies
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The Beehive cluster: A swarm of 1,000 stars
Bruce McClure
March 7, 2024
Meet the Crab Nebula, remnant of an exploding star
Larry Sessions
January 14, 2024
The Local Group is our galactic neighborhood
Editors of EarthSky
October 24, 2023
Triangulum galaxy is 2nd-closest to Milky Way
Bruce McClure
October 24, 2023
Favorite Star Patterns
View All
Spring Triangle in the east at night, heralding the season
Scott Levine
April 23, 2024
The Hyades star cluster: The Face of Taurus the Bull
Bruce McClure
January 25, 2024
Meet the Winter Circle, aka the Winter Hexagon
Bruce McClure
January 24, 2024
The Pleiades – or 7 Sisters – known around the world
Bruce McClure
November 26, 2023