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Human World
Space
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
Space
Voyager 1 to reach 1 light-day from Earth on November 18
NASA said on June 17, 2026, that Voyager 1 will reach 1 light-day from Earth soon. It estimates the spacecraft will reach that mark on November 18, 2026.
June 26, 2026
Sun
Sun news: AR4478 is a monster sunspot region!
Sun news for June 26, 2026: Sunspot region AR4478 confirmed as beta-gamma-delta monster! M-flare odds jump to 50%, X-flares to 10%. Watch this one!
June 26, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for June and July
EarthSky's visible planets and night sky guide. Look for the moon near Antares tonight and tomorrow. And watch a video here about the upcoming June full moon.
June 26, 2026
Brightest Stars
Massive ruby red Antares is the Scorpion’s Heart
Red Antares, Heart of the Scorpion in the constellation Scorpius, is a massive red supergiant star in the last stages of its lifespan.
June 26, 2026
Astronomy Essentials
Latest sunsets follow the summer solstice
Why don't the latest sunsets come on the longest day (the solstice)? It's all to do with a discrepancy between sun time and clock time.
June 26, 2026
Space
NASA to save Swift spacecraft from plunging back to Earth
The Swift spacecraft is rapidly falling back to Earth. But NASA has a plan to boost the telescope back into orbit, beginning this week.
June 25, 2026
Earth
Back-to-back Venezuela earthquakes kill at least 164
Two back-to-back Venezuela earthquakes caused devastation last night. The current death toll is at least 164, with over 700 injured.
June 25, 2026
Space
Peanut-shaped asteroid wobbles in 2 directions
New analysis shows that a peanut-shaped asteroid wobbles in space in 2 directions. Lucy spacecraft now continues its journey toward Jupiter’s Trojans.
June 25, 2026
Earth
The Caspian Sea – Earth’s largest inland sea – is shrinking
A new study finds the shrinking Caspian Sea is due to a combination of human activity and climate change. A major factor is less inflow from the Volga River.
June 25, 2026
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