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Space
Comet 3I/ATLAS over 10 billion years old, Webb finds
The Webb space telescope has found chemical clues to the origin of interstellar comet 3I/ATLAS. It appears to be several times older than our solar system.
June 24, 2026
Sun
Sun news: Large sunspot arrives, C8.7 from the limb
Sun news for June 24, 2026: Large sunspot arriving on southeast limb fires C8.7! Coronal hole stream building. G1 storms possible June 25–26. Stay tuned!
Earth
Why aren’t the hottest days on the solstice?
June solstice 2026 is the longest day for us in the Northern Hemisphere, but the hottest days for the northern Earth are still to come. Why is that?
June 24, 2026
Space
Meet the exotic Pink Planet with salty clouds
New observations by the Webb space telescope of the giant exoplanet GJ504b - aka the Pink Planet - show that it has clouds made of salt.
June 23, 2026
Earth
Katmai bear cam season begins today! Livestream here
The world-famous Katmai bear cam season begins June 23, 2026. Find the livestream here and learn more about brown bears and Katmai National Park.
June 23, 2026
Space
Asteroid or comet? Meteor or meteorite? Answers here
A bright light zips through the night sky. But what is it? Asteroid or comet? Find the answers here and share your knowledge with your friends and family.
June 23, 2026
Space
Nancy Grace Roman Space Telescope arrives at space center
The Nancy Grace Roman Space Telescope has now arrived at Kennedy Space Center. It will be prepped for launch this summer, 8 months ahead of schedule.
June 23, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for June
EarthSky's visible planets and night sky guide. This evening, the waxing gibbous moon will be near Spica, the brightest star in Virgo the Maiden.
June 23, 2026
Constellations
Tonight
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
Earth
Pinocchio frogs seem straight out of a fairy tale
Pinocchio frogs use their extending noses for courtship displays, blending fairy-tale looks with real rainforest survival strategies.
June 22, 2026
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