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.
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.
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.
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.
The EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips. Earth, Space, Sun, Human, Tonight. Since 1994.