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Posts by
Editors of EarthSky
Asteroid Day to be observed worldwide on June 30
The annual Asteroid Day program is in Luxembourg on June 26 and 27, 2026. That's ahead of the internationally recognized Asteroid Day June 30.
June 26, 2026
Draco the Dragon and Thuban, a former pole star
Tonight, look for the winding shape of Draco the Dragon in the northern sky. This constellation contains Thuban, a former pole star.
June 23, 2026
June solstice 2026: All you need to know
The June solstice happens today, June 21, 2026. It's the longest day for the Northern Hemisphere and the shortest day for the Southern Hemisphere.
June 21, 2026
Does the North Star ever move in the sky?
The North Star is a symbol for constancy. But a video or star trails image reveals that it makes its own little circle around the sky's north pole every day.
June 19, 2026
Earth
Noctilucent clouds are back: Look for them now!
Noctilucent clouds are back. The season is underway! Learn about these stunning night-shining clouds and how to see them. Plus, see a gallery of them here.
June 17, 2026
Meteor shower guide 2026: Up next … Delta Aquariids
Up next is the Delta Aquariid meteor shower, they'll compete with a waning gibbous moon. Watch for meteors in dark skies before dawn the week before July 30.
June 15, 2026
Mercury is farthest from the sunset on June 15
The innermost planet, Mercury, will be 18 degrees from the sun at greatest elongation at 18 UTC on February 19. Look for it shortly after sunset near Venus.
June 12, 2026
Earliest sunrises come before the summer solstice
If you live in the Northern Hemisphere, your earliest sunrises of the year are happening around now. Earliest sunsets are in the Southern Hemisphere.
June 11, 2026
Celebrate World Oceans Day today, June 8, 2026
World Oceans Day is a day to honor our connection to Earth’s oceans and to learn what we can do to protect ocean habitats. Celebrate World Oceans Day on June 8.
June 7, 2026
Arietids – most active daytime meteor shower – around June 10
The Arietids - the most active daytime meteor shower - peak on the mornings around June 10. Watch for them before dawn while blocking out the light of the moon.
June 5, 2026
