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Editors of EarthSky
Guy Ottewell honored with an asteroid in his name
On July 6, 2026, the IAU honored longtime astronomy educator Guy Ottewell with an asteroid. Thus 21008 (1988 PE) is now also known as asteroid Ottewell.
July 7, 2026
July birthstone: The rare and precious ruby
The July birthstone is the ruby, one of the most prized precious stones. It is also one of the hardest gemstones, and is chemically related to the sapphire.
July 1, 2026
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
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
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
June birthstone: Pearl, moonstone or alexandrite
June babies ... it is time to choose your June birthstone: pearl, moonstone or alexandrite. All of them are lovely choices.
June 2, 2026
Blue Moon – and smallest full moon of 2026 – on May 30-31
There's a full Blue Moon overnight on May 30-31, 2026. A Blue Moon is the 2nd of 2 full moons in a calendar month or the 3rd of 4 full moons in a single season.
May 25, 2026
